prvm_edict.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // AK new vm
  21
  22 #include "quakedef.h"
  23 #include "progsvm.h"
  24
  25 prvm_prog_t *prog;
  26
  27 static prvm_prog_t prog_list[PRVM_MAXPROGS];
  28
  29 int             prvm_type_size[8] = {1,sizeof(string_t)/4,1,3,1,1,sizeof(func_t)/4,sizeof(void *)/4};
  30
  31 ddef_t *PRVM_ED_FieldAtOfs(int ofs);
  32 qboolean PRVM_ED_ParseEpair(prvm_edict_t *ent, ddef_t *key, const char *s, qboolean parsebackslash);
  33
  34 // LordHavoc: prints every opcode as it executes - warning: this is significant spew
  35 cvar_t prvm_traceqc = {0, "prvm_traceqc", "0", "prints every QuakeC statement as it is executed (only for really thorough debugging!)"};
  36 // LordHavoc: counts usage of each QuakeC statement
  37 cvar_t prvm_statementprofiling = {0, "prvm_statementprofiling", "0", "counts how many times each QuakeC statement has been executed, these counts are displayed in prvm_printfunction output (if enabled)"};
  38 cvar_t prvm_backtraceforwarnings = {0, "prvm_backtraceforwarnings", "0", "print a backtrace for warnings too"};
  39 cvar_t prvm_leaktest = {0, "prvm_leaktest", "0", "try to detect memory leaks in strings or entities"};
  40 cvar_t prvm_leaktest_ignore_classnames = {0, "prvm_leaktest_ignore_classnames", "", "classnames of entities to NOT leak check because they are found by find(world, classname, ...) but are actually spawned by QC code (NOT map entities)"};
  41 cvar_t prvm_errordump = {0, "prvm_errordump", "0", "write a savegame on crash to crash-server.dmp"};
  42
  43 qboolean prvm_runawaycheck = true;
  44
  45 // LordHavoc: optional runtime bounds checking (speed drain, but worth it for security, on by default - breaks most QCCX features (used by CRMod and others))
  46 // enables detection of out of bounds memory access in the QuakeC code being run (in other words, prevents really exceedingly bad QuakeC code from doing nasty things to your computer)
  47 qboolean prvm_boundscheck = true;
  48
  49 extern sizebuf_t vm_tempstringsbuf;
  50
  51 //============================================================================
  52 // mempool handling
  53
  54 /*
  55 ===============
  56 PRVM_MEM_Alloc
  57 ===============
  58 */
  59 void PRVM_MEM_Alloc(void)
  60 {
  61         int i;
  62
  63         // reserve space for the null entity aka world
  64         // check bound of max_edicts
  65         prog->max_edicts = bound(1 + prog->reserved_edicts, prog->max_edicts, prog->limit_edicts);
  66         prog->num_edicts = bound(1 + prog->reserved_edicts, prog->num_edicts, prog->max_edicts);
  67
  68         // edictprivate_size has to be min as big prvm_edict_private_t
  69         prog->edictprivate_size = max(prog->edictprivate_size,(int)sizeof(prvm_edict_private_t));
  70
  71         // alloc edicts
  72         prog->edicts = (prvm_edict_t *)Mem_Alloc(prog->progs_mempool,prog->limit_edicts * sizeof(prvm_edict_t));
  73
  74         // alloc edict private space
  75         prog->edictprivate = Mem_Alloc(prog->progs_mempool, prog->max_edicts * prog->edictprivate_size);
  76
  77         // alloc edict fields
  78         prog->edictsfields = Mem_Alloc(prog->progs_mempool, prog->max_edicts * prog->edict_size);
  79
  80         // set edict pointers
  81         for(i = 0; i < prog->max_edicts; i++)
  82         {
  83                 prog->edicts[i].priv.required = (prvm_edict_private_t *)((unsigned char  *)prog->edictprivate + i * prog->edictprivate_size);
  84                 prog->edicts[i].fields.vp = (void*)((unsigned char *)prog->edictsfields + i * prog->edict_size);
  85         }
  86 }
  87
  88 /*
  89 ===============
  90 PRVM_MEM_IncreaseEdicts
  91 ===============
  92 */
  93 void PRVM_MEM_IncreaseEdicts(void)
  94 {
  95         int             i;
  96         int             oldmaxedicts = prog->max_edicts;
  97         void    *oldedictsfields = prog->edictsfields;
  98         void    *oldedictprivate = prog->edictprivate;
  99
 100         if(prog->max_edicts >= prog->limit_edicts)
 101                 return;
 102
 103         PRVM_GCALL(begin_increase_edicts)();
 104
 105         // increase edicts
 106         prog->max_edicts = min(prog->max_edicts + 256, prog->limit_edicts);
 107
 108         prog->edictsfields = Mem_Alloc(prog->progs_mempool, prog->max_edicts * prog->edict_size);
 109         prog->edictprivate = Mem_Alloc(prog->progs_mempool, prog->max_edicts * prog->edictprivate_size);
 110
 111         memcpy(prog->edictsfields, oldedictsfields, oldmaxedicts * prog->edict_size);
 112         memcpy(prog->edictprivate, oldedictprivate, oldmaxedicts * prog->edictprivate_size);
 113
 114         //set e and v pointers
 115         for(i = 0; i < prog->max_edicts; i++)
 116         {
 117                 prog->edicts[i].priv.required  = (prvm_edict_private_t *)((unsigned char  *)prog->edictprivate + i * prog->edictprivate_size);
 118                 prog->edicts[i].fields.vp = (void*)((unsigned char *)prog->edictsfields + i * prog->edict_size);
 119         }
 120
 121         PRVM_GCALL(end_increase_edicts)();
 122
 123         Mem_Free(oldedictsfields);
 124         Mem_Free(oldedictprivate);
 125 }
 126
 127 //============================================================================
 128 // normal prvm
 129
 130 int PRVM_ED_FindFieldOffset(const char *field)
 131 {
 132         ddef_t *d;
 133         d = PRVM_ED_FindField(field);
 134         if (!d)
 135                 return -1;
 136         return d->ofs;
 137 }
 138
 139 int PRVM_ED_FindGlobalOffset(const char *global)
 140 {
 141         ddef_t *d;
 142         d = PRVM_ED_FindGlobal(global);
 143         if (!d)
 144                 return -1;
 145         return d->ofs;
 146 }
 147
 148 func_t PRVM_ED_FindFunctionOffset(const char *function)
 149 {
 150         mfunction_t *f;
 151         f = PRVM_ED_FindFunction(function);
 152         if (!f)
 153                 return 0;
 154         return (func_t)(f - prog->functions);
 155 }
 156
 157 qboolean PRVM_ProgLoaded(int prognr)
 158 {
 159         if(prognr < 0 || prognr >= PRVM_MAXPROGS)
 160                 return FALSE;
 161
 162         return (prog_list[prognr].loaded ? TRUE : FALSE);
 163 }
 164
 165 /*
 166 =================
 167 PRVM_SetProgFromString
 168 =================
 169 */
 170 // perhaps add a return value when the str doesnt exist
 171 qboolean PRVM_SetProgFromString(const char *str)
 172 {
 173         int i = 0;
 174         for(; i < PRVM_MAXPROGS ; i++)
 175                 if(prog_list[i].name && !strcmp(prog_list[i].name,str))
 176                 {
 177                         if(prog_list[i].loaded)
 178                         {
 179                                 prog = &prog_list[i];
 180                                 return TRUE;
 181                         }
 182                         else
 183                         {
 184                                 Con_Printf("%s not loaded !\n",PRVM_NAME);
 185                                 return FALSE;
 186                         }
 187                 }
 188
 189         Con_Printf("Invalid program name %s !\n", str);
 190         return FALSE;
 191 }
 192
 193 /*
 194 =================
 195 PRVM_SetProg
 196 =================
 197 */
 198 void PRVM_SetProg(int prognr)
 199 {
 200         if(0 <= prognr && prognr < PRVM_MAXPROGS)
 201         {
 202                 if(prog_list[prognr].loaded)
 203                         prog = &prog_list[prognr];
 204                 else
 205                         PRVM_ERROR("%i not loaded !", prognr);
 206                 return;
 207         }
 208         PRVM_ERROR("Invalid program number %i", prognr);
 209 }
 210
 211 /*
 212 =================
 213 PRVM_ED_ClearEdict
 214
 215 Sets everything to NULL
 216 =================
 217 */
 218 void PRVM_ED_ClearEdict (prvm_edict_t *e)
 219 {
 220         memset (e->fields.vp, 0, prog->progs->entityfields * 4);
 221         e->priv.required->free = false;
 222
 223         // AK: Let the init_edict function determine if something needs to be initialized
 224         PRVM_GCALL(init_edict)(e);
 225 }
 226
 227 const char *PRVM_AllocationOrigin(void)
 228 {
 229         char *buf = NULL;
 230         if(prog->leaktest_active)
 231         if(prog->depth > 0) // actually in QC code and not just parsing the entities block of a map/savegame
 232         {
 233                 buf = (char *)PRVM_Alloc(128);
 234                 PRVM_ShortStackTrace(buf, 128);
 235         }
 236         return buf;
 237 }
 238
 239 /*
 240 =================
 241 PRVM_ED_CanAlloc
 242
 243 Returns if this particular edict could get allocated by PRVM_ED_Alloc
 244 =================
 245 */
 246 qboolean PRVM_ED_CanAlloc(prvm_edict_t *e)
 247 {
 248         if(!e->priv.required->free)
 249                 return false;
 250         if(e->priv.required->freetime < prog->starttime + 2)
 251                 return true;
 252         if(realtime > e->priv.required->freetime + 1)
 253                 return true;
 254         return false; // entity slot still blocked because the entity was freed less than one second ago
 255 }
 256
 257 /*
 258 =================
 259 PRVM_ED_Alloc
 260
 261 Either finds a free edict, or allocates a new one.
 262 Try to avoid reusing an entity that was recently freed, because it
 263 can cause the client to think the entity morphed into something else
 264 instead of being removed and recreated, which can cause interpolated
 265 angles and bad trails.
 266 =================
 267 */
 268 prvm_edict_t *PRVM_ED_Alloc (void)
 269 {
 270         int                     i;
 271         prvm_edict_t            *e;
 272
 273         // the client qc dont need maxclients
 274         // thus it doesnt need to use svs.maxclients
 275         // AK:  changed i=svs.maxclients+1
 276         // AK:  changed so the edict 0 wont spawn -> used as reserved/world entity
 277         //              although the menu/client has no world
 278         for (i = prog->reserved_edicts + 1;i < prog->num_edicts;i++)
 279         {
 280                 e = PRVM_EDICT_NUM(i);
 281                 if(PRVM_ED_CanAlloc(e))
 282                 {
 283                         PRVM_ED_ClearEdict (e);
 284                         e->priv.required->allocation_origin = PRVM_AllocationOrigin();
 285                         return e;
 286                 }
 287         }
 288
 289         if (i == prog->limit_edicts)
 290                 PRVM_ERROR ("%s: PRVM_ED_Alloc: no free edicts",PRVM_NAME);
 291
 292         prog->num_edicts++;
 293         if (prog->num_edicts >= prog->max_edicts)
 294                 PRVM_MEM_IncreaseEdicts();
 295
 296         e = PRVM_EDICT_NUM(i);
 297         PRVM_ED_ClearEdict (e);
 298
 299         e->priv.required->allocation_origin = PRVM_AllocationOrigin();
 300
 301         return e;
 302 }
 303
 304 /*
 305 =================
 306 PRVM_ED_Free
 307
 308 Marks the edict as free
 309 FIXME: walk all entities and NULL out references to this entity
 310 =================
 311 */
 312 void PRVM_ED_Free (prvm_edict_t *ed)
 313 {
 314         // dont delete the null entity (world) or reserved edicts
 315         if(PRVM_NUM_FOR_EDICT(ed) <= prog->reserved_edicts )
 316                 return;
 317
 318         PRVM_GCALL(free_edict)(ed);
 319
 320         ed->priv.required->free = true;
 321         ed->priv.required->freetime = realtime;
 322         if(ed->priv.required->allocation_origin)
 323         {
 324                 PRVM_Free((char *)ed->priv.required->allocation_origin);
 325                 ed->priv.required->allocation_origin = NULL;
 326         }
 327 }
 328
 329 //===========================================================================
 330
 331 /*
 332 ============
 333 PRVM_ED_GlobalAtOfs
 334 ============
 335 */
 336 ddef_t *PRVM_ED_GlobalAtOfs (int ofs)
 337 {
 338         ddef_t          *def;
 339         int                     i;
 340
 341         for (i=0 ; i<prog->progs->numglobaldefs ; i++)
 342         {
 343                 def = &prog->globaldefs[i];
 344                 if (def->ofs == ofs)
 345                         return def;
 346         }
 347         return NULL;
 348 }
 349
 350 /*
 351 ============
 352 PRVM_ED_FieldAtOfs
 353 ============
 354 */
 355 ddef_t *PRVM_ED_FieldAtOfs (int ofs)
 356 {
 357         ddef_t          *def;
 358         int                     i;
 359
 360         for (i=0 ; i<prog->progs->numfielddefs ; i++)
 361         {
 362                 def = &prog->fielddefs[i];
 363                 if (def->ofs == ofs)
 364                         return def;
 365         }
 366         return NULL;
 367 }
 368
 369 /*
 370 ============
 371 PRVM_ED_FindField
 372 ============
 373 */
 374 ddef_t *PRVM_ED_FindField (const char *name)
 375 {
 376         ddef_t *def;
 377         int i;
 378
 379         for (i=0 ; i<prog->progs->numfielddefs ; i++)
 380         {
 381                 def = &prog->fielddefs[i];
 382                 if (!strcmp(PRVM_GetString(def->s_name), name))
 383                         return def;
 384         }
 385         return NULL;
 386 }
 387
 388 /*
 389 ============
 390 PRVM_ED_FindGlobal
 391 ============
 392 */
 393 ddef_t *PRVM_ED_FindGlobal (const char *name)
 394 {
 395         ddef_t *def;
 396         int i;
 397
 398         for (i=0 ; i<prog->progs->numglobaldefs ; i++)
 399         {
 400                 def = &prog->globaldefs[i];
 401                 if (!strcmp(PRVM_GetString(def->s_name), name))
 402                         return def;
 403         }
 404         return NULL;
 405 }
 406
 407
 408 /*
 409 ============
 410 PRVM_ED_FindFunction
 411 ============
 412 */
 413 mfunction_t *PRVM_ED_FindFunction (const char *name)
 414 {
 415         mfunction_t             *func;
 416         int                             i;
 417
 418         for (i=0 ; i<prog->progs->numfunctions ; i++)
 419         {
 420                 func = &prog->functions[i];
 421                 if (!strcmp(PRVM_GetString(func->s_name), name))
 422                         return func;
 423         }
 424         return NULL;
 425 }
 426
 427
 428 /*
 429 ============
 430 PRVM_ValueString
 431
 432 Returns a string describing *data in a type specific manner
 433 =============
 434 */
 435 char *PRVM_ValueString (etype_t type, prvm_eval_t *val)
 436 {
 437         static char line[MAX_INPUTLINE];
 438         ddef_t *def;
 439         mfunction_t *f;
 440         int n;
 441
 442         type = (etype_t)((int) type & ~DEF_SAVEGLOBAL);
 443
 444         switch (type)
 445         {
 446         case ev_string:
 447                 strlcpy (line, PRVM_GetString (val->string), sizeof (line));
 448                 break;
 449         case ev_entity:
 450                 n = val->edict;
 451                 if (n < 0 || n >= prog->limit_edicts)
 452                         dpsnprintf (line, sizeof(line), "entity %i (invalid!)", n);
 453                 else
 454                         dpsnprintf (line, sizeof(line), "entity %i", n);
 455                 break;
 456         case ev_function:
 457                 f = prog->functions + val->function;
 458                 dpsnprintf (line, sizeof(line), "%s()", PRVM_GetString(f->s_name));
 459                 break;
 460         case ev_field:
 461                 def = PRVM_ED_FieldAtOfs ( val->_int );
 462                 dpsnprintf (line, sizeof(line), ".%s", PRVM_GetString(def->s_name));
 463                 break;
 464         case ev_void:
 465                 dpsnprintf (line, sizeof(line), "void");
 466                 break;
 467         case ev_float:
 468                 // LordHavoc: changed from %5.1f to %10.4f
 469                 dpsnprintf (line, sizeof(line), "%10.4f", val->_float);
 470                 break;
 471         case ev_vector:
 472                 // LordHavoc: changed from %5.1f to %10.4f
 473                 dpsnprintf (line, sizeof(line), "'%10.4f %10.4f %10.4f'", val->vector[0], val->vector[1], val->vector[2]);
 474                 break;
 475         case ev_pointer:
 476                 dpsnprintf (line, sizeof(line), "pointer");
 477                 break;
 478         default:
 479                 dpsnprintf (line, sizeof(line), "bad type %i", (int) type);
 480                 break;
 481         }
 482
 483         return line;
 484 }
 485
 486 /*
 487 ============
 488 PRVM_UglyValueString
 489
 490 Returns a string describing *data in a type specific manner
 491 Easier to parse than PR_ValueString
 492 =============
 493 */
 494 char *PRVM_UglyValueString (etype_t type, prvm_eval_t *val)
 495 {
 496         static char line[MAX_INPUTLINE];
 497         int i;
 498         const char *s;
 499         ddef_t *def;
 500         mfunction_t *f;
 501
 502         type = (etype_t)((int)type & ~DEF_SAVEGLOBAL);
 503
 504         switch (type)
 505         {
 506         case ev_string:
 507                 // Parse the string a bit to turn special characters
 508                 // (like newline, specifically) into escape codes,
 509                 // this fixes saving games from various mods
 510                 s = PRVM_GetString (val->string);
 511                 for (i = 0;i < (int)sizeof(line) - 2 && *s;)
 512                 {
 513                         if (*s == '\n')
 514                         {
 515                                 line[i++] = '\\';
 516                                 line[i++] = 'n';
 517                         }
 518                         else if (*s == '\r')
 519                         {
 520                                 line[i++] = '\\';
 521                                 line[i++] = 'r';
 522                         }
 523                         else if (*s == '\\')
 524                         {
 525                                 line[i++] = '\\';
 526                                 line[i++] = '\\';
 527                         }
 528                         else if (*s == '"')
 529                         {
 530                                 line[i++] = '\\';
 531                                 line[i++] = '"';
 532                         }
 533                         else
 534                                 line[i++] = *s;
 535                         s++;
 536                 }
 537                 line[i] = '\0';
 538                 break;
 539         case ev_entity:
 540                 dpsnprintf (line, sizeof (line), "%i", PRVM_NUM_FOR_EDICT(PRVM_PROG_TO_EDICT(val->edict)));
 541                 break;
 542         case ev_function:
 543                 f = prog->functions + val->function;
 544                 strlcpy (line, PRVM_GetString (f->s_name), sizeof (line));
 545                 break;
 546         case ev_field:
 547                 def = PRVM_ED_FieldAtOfs ( val->_int );
 548                 dpsnprintf (line, sizeof (line), ".%s", PRVM_GetString(def->s_name));
 549                 break;
 550         case ev_void:
 551                 dpsnprintf (line, sizeof (line), "void");
 552                 break;
 553         case ev_float:
 554                 dpsnprintf (line, sizeof (line), "%f", val->_float);
 555                 break;
 556         case ev_vector:
 557                 dpsnprintf (line, sizeof (line), "%f %f %f", val->vector[0], val->vector[1], val->vector[2]);
 558                 break;
 559         default:
 560                 dpsnprintf (line, sizeof (line), "bad type %i", type);
 561                 break;
 562         }
 563
 564         return line;
 565 }
 566
 567 /*
 568 ============
 569 PRVM_GlobalString
 570
 571 Returns a string with a description and the contents of a global,
 572 padded to 20 field width
 573 ============
 574 */
 575 char *PRVM_GlobalString (int ofs)
 576 {
 577         char    *s;
 578         //size_t        i;
 579         ddef_t  *def;
 580         void    *val;
 581         static char     line[128];
 582
 583         val = (void *)&prog->globals.generic[ofs];
 584         def = PRVM_ED_GlobalAtOfs(ofs);
 585         if (!def)
 586                 dpsnprintf (line, sizeof(line), "GLOBAL%i", ofs);
 587         else
 588         {
 589                 s = PRVM_ValueString ((etype_t)def->type, (prvm_eval_t *)val);
 590                 dpsnprintf (line, sizeof(line), "%s (=%s)", PRVM_GetString(def->s_name), s);
 591         }
 592
 593         //i = strlen(line);
 594         //for ( ; i<20 ; i++)
 595         //      strcat (line," ");
 596         //strcat (line," ");
 597
 598         return line;
 599 }
 600
 601 char *PRVM_GlobalStringNoContents (int ofs)
 602 {
 603         //size_t        i;
 604         ddef_t  *def;
 605         static char     line[128];
 606
 607         def = PRVM_ED_GlobalAtOfs(ofs);
 608         if (!def)
 609                 dpsnprintf (line, sizeof(line), "GLOBAL%i", ofs);
 610         else
 611                 dpsnprintf (line, sizeof(line), "%s", PRVM_GetString(def->s_name));
 612
 613         //i = strlen(line);
 614         //for ( ; i<20 ; i++)
 615         //      strcat (line," ");
 616         //strcat (line," ");
 617
 618         return line;
 619 }
 620
 621
 622 /*
 623 =============
 624 PRVM_ED_Print
 625
 626 For debugging
 627 =============
 628 */
 629 // LordHavoc: optimized this to print out much more quickly (tempstring)
 630 // LordHavoc: changed to print out every 4096 characters (incase there are a lot of fields to print)
 631 void PRVM_ED_Print(prvm_edict_t *ed, const char *wildcard_fieldname)
 632 {
 633         size_t  l;
 634         ddef_t  *d;
 635         int             *v;
 636         int             i, j;
 637         const char      *name;
 638         int             type;
 639         char    tempstring[MAX_INPUTLINE], tempstring2[260]; // temporary string buffers
 640
 641         if (ed->priv.required->free)
 642         {
 643                 Con_Printf("%s: FREE\n",PRVM_NAME);
 644                 return;
 645         }
 646
 647         tempstring[0] = 0;
 648         dpsnprintf(tempstring, sizeof(tempstring), "\n%s EDICT %i:\n", PRVM_NAME, PRVM_NUM_FOR_EDICT(ed));
 649         for (i=1 ; i<prog->progs->numfielddefs ; i++)
 650         {
 651                 d = &prog->fielddefs[i];
 652                 name = PRVM_GetString(d->s_name);
 653                 if (name[strlen(name)-2] == '_')
 654                         continue;       // skip _x, _y, _z vars
 655
 656                 // Check Field Name Wildcard
 657                 if(wildcard_fieldname)
 658                         if( !matchpattern(name, wildcard_fieldname, 1) )
 659                                 // Didn't match; skip
 660                                 continue;
 661
 662                 v = (int *)((char *)ed->fields.vp + d->ofs*4);
 663
 664         // if the value is still all 0, skip the field
 665                 type = d->type & ~DEF_SAVEGLOBAL;
 666
 667                 for (j=0 ; j<prvm_type_size[type] ; j++)
 668                         if (v[j])
 669                                 break;
 670                 if (j == prvm_type_size[type])
 671                         continue;
 672
 673                 if (strlen(name) > sizeof(tempstring2)-4)
 674                 {
 675                         memcpy (tempstring2, name, sizeof(tempstring2)-4);
 676                         tempstring2[sizeof(tempstring2)-4] = tempstring2[sizeof(tempstring2)-3] = tempstring2[sizeof(tempstring2)-2] = '.';
 677                         tempstring2[sizeof(tempstring2)-1] = 0;
 678                         name = tempstring2;
 679                 }
 680                 strlcat(tempstring, name, sizeof(tempstring));
 681                 for (l = strlen(name);l < 14;l++)
 682                         strlcat(tempstring, " ", sizeof(tempstring));
 683                 strlcat(tempstring, " ", sizeof(tempstring));
 684
 685                 name = PRVM_ValueString((etype_t)d->type, (prvm_eval_t *)v);
 686                 if (strlen(name) > sizeof(tempstring2)-4)
 687                 {
 688                         memcpy (tempstring2, name, sizeof(tempstring2)-4);
 689                         tempstring2[sizeof(tempstring2)-4] = tempstring2[sizeof(tempstring2)-3] = tempstring2[sizeof(tempstring2)-2] = '.';
 690                         tempstring2[sizeof(tempstring2)-1] = 0;
 691                         name = tempstring2;
 692                 }
 693                 strlcat(tempstring, name, sizeof(tempstring));
 694                 strlcat(tempstring, "\n", sizeof(tempstring));
 695                 if (strlen(tempstring) >= sizeof(tempstring)/2)
 696                 {
 697                         Con_Print(tempstring);
 698                         tempstring[0] = 0;
 699                 }
 700         }
 701         if (tempstring[0])
 702                 Con_Print(tempstring);
 703 }
 704
 705 /*
 706 =============
 707 PRVM_ED_Write
 708
 709 For savegames
 710 =============
 711 */
 712 extern cvar_t developer_entityparsing;
 713 void PRVM_ED_Write (qfile_t *f, prvm_edict_t *ed)
 714 {
 715         ddef_t  *d;
 716         int             *v;
 717         int             i, j;
 718         const char      *name;
 719         int             type;
 720
 721         FS_Print(f, "{\n");
 722
 723         if (ed->priv.required->free)
 724         {
 725                 FS_Print(f, "}\n");
 726                 return;
 727         }
 728
 729         for (i=1 ; i<prog->progs->numfielddefs ; i++)
 730         {
 731                 d = &prog->fielddefs[i];
 732                 name = PRVM_GetString(d->s_name);
 733
 734                 if(developer_entityparsing.integer)
 735                         Con_Printf("PRVM_ED_Write: at entity %d field %s\n", PRVM_NUM_FOR_EDICT(ed), name);
 736
 737                 if (name[strlen(name)-2] == '_')
 738                         continue;       // skip _x, _y, _z vars
 739
 740                 v = (int *)((char *)ed->fields.vp + d->ofs*4);
 741
 742         // if the value is still all 0, skip the field
 743                 type = d->type & ~DEF_SAVEGLOBAL;
 744                 for (j=0 ; j<prvm_type_size[type] ; j++)
 745                         if (v[j])
 746                                 break;
 747                 if (j == prvm_type_size[type])
 748                         continue;
 749
 750                 FS_Printf(f,"\"%s\" ",name);
 751                 prog->statestring = va("PRVM_ED_Write, ent=%d, name=%s", i, name);
 752                 FS_Printf(f,"\"%s\"\n", PRVM_UglyValueString((etype_t)d->type, (prvm_eval_t *)v));
 753                 prog->statestring = NULL;
 754         }
 755
 756         FS_Print(f, "}\n");
 757 }
 758
 759 void PRVM_ED_PrintNum (int ent, const char *wildcard_fieldname)
 760 {
 761         PRVM_ED_Print(PRVM_EDICT_NUM(ent), wildcard_fieldname);
 762 }
 763
 764 /*
 765 =============
 766 PRVM_ED_PrintEdicts_f
 767
 768 For debugging, prints all the entities in the current server
 769 =============
 770 */
 771 void PRVM_ED_PrintEdicts_f (void)
 772 {
 773         int             i;
 774         const char *wildcard_fieldname;
 775
 776         if(Cmd_Argc() < 2 || Cmd_Argc() > 3)
 777         {
 778                 Con_Print("prvm_edicts <program name> <optional field name wildcard>\n");
 779                 return;
 780         }
 781
 782         PRVM_Begin;
 783         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
 784                 return;
 785
 786         if( Cmd_Argc() == 3)
 787                 wildcard_fieldname = Cmd_Argv(2);
 788         else
 789                 wildcard_fieldname = NULL;
 790
 791         Con_Printf("%s: %i entities\n", PRVM_NAME, prog->num_edicts);
 792         for (i=0 ; i<prog->num_edicts ; i++)
 793                 PRVM_ED_PrintNum (i, wildcard_fieldname);
 794
 795         PRVM_End;
 796 }
 797
 798 /*
 799 =============
 800 PRVM_ED_PrintEdict_f
 801
 802 For debugging, prints a single edict
 803 =============
 804 */
 805 void PRVM_ED_PrintEdict_f (void)
 806 {
 807         int             i;
 808         const char      *wildcard_fieldname;
 809
 810         if(Cmd_Argc() < 3 || Cmd_Argc() > 4)
 811         {
 812                 Con_Print("prvm_edict <program name> <edict number> <optional field name wildcard>\n");
 813                 return;
 814         }
 815
 816         PRVM_Begin;
 817         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
 818                 return;
 819
 820         i = atoi (Cmd_Argv(2));
 821         if (i >= prog->num_edicts)
 822         {
 823                 Con_Print("Bad edict number\n");
 824                 PRVM_End;
 825                 return;
 826         }
 827         if( Cmd_Argc() == 4)
 828                 // Optional Wildcard Provided
 829                 wildcard_fieldname = Cmd_Argv(3);
 830         else
 831                 // Use All
 832                 wildcard_fieldname = NULL;
 833         PRVM_ED_PrintNum (i, wildcard_fieldname);
 834
 835         PRVM_End;
 836 }
 837
 838 /*
 839 =============
 840 PRVM_ED_Count
 841
 842 For debugging
 843 =============
 844 */
 845 // 2 possibilities : 1. just displaying the active edict count
 846 //                                       2. making a function pointer [x]
 847 void PRVM_ED_Count_f (void)
 848 {
 849         int             i;
 850         prvm_edict_t    *ent;
 851         int             active;
 852
 853         if(Cmd_Argc() != 2)
 854         {
 855                 Con_Print("prvm_count <program name>\n");
 856                 return;
 857         }
 858
 859         PRVM_Begin;
 860         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
 861                 return;
 862
 863         if(prog->count_edicts)
 864                 prog->count_edicts();
 865         else
 866         {
 867                 active = 0;
 868                 for (i=0 ; i<prog->num_edicts ; i++)
 869                 {
 870                         ent = PRVM_EDICT_NUM(i);
 871                         if (ent->priv.required->free)
 872                                 continue;
 873                         active++;
 874                 }
 875
 876                 Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 877                 Con_Printf("active    :%3i\n", active);
 878         }
 879
 880         PRVM_End;
 881 }
 882
 883 /*
 884 ==============================================================================
 885
 886                                         ARCHIVING GLOBALS
 887
 888 FIXME: need to tag constants, doesn't really work
 889 ==============================================================================
 890 */
 891
 892 /*
 893 =============
 894 PRVM_ED_WriteGlobals
 895 =============
 896 */
 897 void PRVM_ED_WriteGlobals (qfile_t *f)
 898 {
 899         ddef_t          *def;
 900         int                     i;
 901         const char              *name;
 902         int                     type;
 903
 904         FS_Print(f,"{\n");
 905         for (i=0 ; i<prog->progs->numglobaldefs ; i++)
 906         {
 907                 def = &prog->globaldefs[i];
 908                 type = def->type;
 909                 if ( !(def->type & DEF_SAVEGLOBAL) )
 910                         continue;
 911                 type &= ~DEF_SAVEGLOBAL;
 912
 913                 if (type != ev_string && type != ev_float && type != ev_entity)
 914                         continue;
 915
 916                 name = PRVM_GetString(def->s_name);
 917
 918                 if(developer_entityparsing.integer)
 919                         Con_Printf("PRVM_ED_WriteGlobals: at global %s\n", name);
 920
 921                 prog->statestring = va("PRVM_ED_WriteGlobals, name=%s", name);
 922                 FS_Printf(f,"\"%s\" ", name);
 923                 FS_Printf(f,"\"%s\"\n", PRVM_UglyValueString((etype_t)type, (prvm_eval_t *)&prog->globals.generic[def->ofs]));
 924                 prog->statestring = NULL;
 925         }
 926         FS_Print(f,"}\n");
 927 }
 928
 929 /*
 930 =============
 931 PRVM_ED_ParseGlobals
 932 =============
 933 */
 934 void PRVM_ED_ParseGlobals (const char *data)
 935 {
 936         char keyname[MAX_INPUTLINE];
 937         ddef_t *key;
 938
 939         while (1)
 940         {
 941                 // parse key
 942                 if (!COM_ParseToken_Simple(&data, false, false))
 943                         PRVM_ERROR ("PRVM_ED_ParseGlobals: EOF without closing brace");
 944                 if (com_token[0] == '}')
 945                         break;
 946
 947                 if (developer_entityparsing.integer)
 948                         Con_Printf("Key: \"%s\"", com_token);
 949
 950                 strlcpy (keyname, com_token, sizeof(keyname));
 951
 952                 // parse value
 953                 if (!COM_ParseToken_Simple(&data, false, true))
 954                         PRVM_ERROR ("PRVM_ED_ParseGlobals: EOF without closing brace");
 955
 956                 if (developer_entityparsing.integer)
 957                         Con_Printf(" \"%s\"\n", com_token);
 958
 959                 if (com_token[0] == '}')
 960                         PRVM_ERROR ("PRVM_ED_ParseGlobals: closing brace without data");
 961
 962                 key = PRVM_ED_FindGlobal (keyname);
 963                 if (!key)
 964                 {
 965                         Con_DPrintf("'%s' is not a global on %s\n", keyname, PRVM_NAME);
 966                         continue;
 967                 }
 968
 969                 if (!PRVM_ED_ParseEpair(NULL, key, com_token, true))
 970                         PRVM_ERROR ("PRVM_ED_ParseGlobals: parse error");
 971         }
 972 }
 973
 974 //============================================================================
 975
 976
 977 /*
 978 =============
 979 PRVM_ED_ParseEval
 980
 981 Can parse either fields or globals
 982 returns false if error
 983 =============
 984 */
 985 qboolean PRVM_ED_ParseEpair(prvm_edict_t *ent, ddef_t *key, const char *s, qboolean parsebackslash)
 986 {
 987         int i, l;
 988         char *new_p;
 989         ddef_t *def;
 990         prvm_eval_t *val;
 991         mfunction_t *func;
 992
 993         if (ent)
 994                 val = (prvm_eval_t *)((int *)ent->fields.vp + key->ofs);
 995         else
 996                 val = (prvm_eval_t *)((int *)prog->globals.generic + key->ofs);
 997         switch (key->type & ~DEF_SAVEGLOBAL)
 998         {
 999         case ev_string:
1000                 l = (int)strlen(s) + 1;
1001                 val->string = PRVM_AllocString(l, &new_p);
1002                 for (i = 0;i < l;i++)
1003                 {
1004                         if (s[i] == '\\' && s[i+1] && parsebackslash)
1005                         {
1006                                 i++;
1007                                 if (s[i] == 'n')
1008                                         *new_p++ = '\n';
1009                                 else if (s[i] == 'r')
1010                                         *new_p++ = '\r';
1011                                 else
1012                                         *new_p++ = s[i];
1013                         }
1014                         else
1015                                 *new_p++ = s[i];
1016                 }
1017                 break;
1018
1019         case ev_float:
1020                 while (*s && ISWHITESPACE(*s))
1021                         s++;
1022                 val->_float = atof(s);
1023                 break;
1024
1025         case ev_vector:
1026                 for (i = 0;i < 3;i++)
1027                 {
1028                         while (*s && ISWHITESPACE(*s))
1029                                 s++;
1030                         if (!*s)
1031                                 break;
1032                         val->vector[i] = atof(s);
1033                         while (!ISWHITESPACE(*s))
1034                                 s++;
1035                         if (!*s)
1036                                 break;
1037                 }
1038                 break;
1039
1040         case ev_entity:
1041                 while (*s && ISWHITESPACE(*s))
1042                         s++;
1043                 i = atoi(s);
1044                 if (i >= prog->limit_edicts)
1045                         Con_Printf("PRVM_ED_ParseEpair: ev_entity reference too large (edict %u >= MAX_EDICTS %u) on %s\n", (unsigned int)i, (unsigned int)MAX_EDICTS, PRVM_NAME);
1046                 while (i >= prog->max_edicts)
1047                         PRVM_MEM_IncreaseEdicts();
1048                 // if IncreaseEdicts was called the base pointer needs to be updated
1049                 if (ent)
1050                         val = (prvm_eval_t *)((int *)ent->fields.vp + key->ofs);
1051                 val->edict = PRVM_EDICT_TO_PROG(PRVM_EDICT_NUM((int)i));
1052                 break;
1053
1054         case ev_field:
1055                 if (*s != '.')
1056                 {
1057                         Con_DPrintf("PRVM_ED_ParseEpair: Bogus field name %s in %s\n", s, PRVM_NAME);
1058                         return false;
1059                 }
1060                 def = PRVM_ED_FindField(s + 1);
1061                 if (!def)
1062                 {
1063                         Con_DPrintf("PRVM_ED_ParseEpair: Can't find field %s in %s\n", s, PRVM_NAME);
1064                         return false;
1065                 }
1066                 val->_int = def->ofs;
1067                 break;
1068
1069         case ev_function:
1070                 func = PRVM_ED_FindFunction(s);
1071                 if (!func)
1072                 {
1073                         Con_Printf("PRVM_ED_ParseEpair: Can't find function %s in %s\n", s, PRVM_NAME);
1074                         return false;
1075                 }
1076                 val->function = func - prog->functions;
1077                 break;
1078
1079         default:
1080                 Con_Printf("PRVM_ED_ParseEpair: Unknown key->type %i for key \"%s\" on %s\n", key->type, PRVM_GetString(key->s_name), PRVM_NAME);
1081                 return false;
1082         }
1083         return true;
1084 }
1085
1086 /*
1087 =============
1088 PRVM_GameCommand_f
1089
1090 Console command to send a string to QC function GameCommand of the
1091 indicated progs
1092
1093 Usage:
1094   sv_cmd adminmsg 3 "do not teamkill"
1095   cl_cmd someclientcommand
1096   menu_cmd somemenucommand
1097
1098 All progs can support this extension; sg calls it in server QC, cg in client
1099 QC, mg in menu QC.
1100 =============
1101 */
1102 void PRVM_GameCommand(const char *whichprogs, const char *whichcmd)
1103 {
1104         if(Cmd_Argc() < 1)
1105         {
1106                 Con_Printf("%s text...\n", whichcmd);
1107                 return;
1108         }
1109
1110         PRVM_Begin;
1111         if(!PRVM_SetProgFromString(whichprogs))
1112         // note: this is not PRVM_SetProg because that one aborts "hard" using PRVM_Error
1113         // also, it makes printing error messages easier!
1114         {
1115                 Con_Printf("%s program not loaded.\n", whichprogs);
1116                 return;
1117         }
1118
1119         if(!prog->funcoffsets.GameCommand)
1120         {
1121                 Con_Printf("%s program do not support GameCommand!\n", whichprogs);
1122         }
1123         else
1124         {
1125                 int restorevm_tempstringsbuf_cursize;
1126                 const char *s;
1127
1128                 s = Cmd_Args();
1129
1130                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
1131                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(s ? s : "");
1132                 PRVM_ExecuteProgram (prog->funcoffsets.GameCommand, "QC function GameCommand is missing");
1133                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
1134         }
1135
1136         PRVM_End;
1137 }
1138 void PRVM_GameCommand_Server_f(void)
1139 {
1140         PRVM_GameCommand("server", "sv_cmd");
1141 }
1142 void PRVM_GameCommand_Client_f(void)
1143 {
1144         PRVM_GameCommand("client", "cl_cmd");
1145 }
1146 void PRVM_GameCommand_Menu_f(void)
1147 {
1148         PRVM_GameCommand("menu", "menu_cmd");
1149 }
1150
1151 /*
1152 =============
1153 PRVM_ED_EdictGet_f
1154
1155 Console command to load a field of a specified edict
1156 =============
1157 */
1158 void PRVM_ED_EdictGet_f(void)
1159 {
1160         prvm_edict_t *ed;
1161         ddef_t *key;
1162         const char *s;
1163         prvm_eval_t *v;
1164
1165         if(Cmd_Argc() != 4 && Cmd_Argc() != 5)
1166         {
1167                 Con_Print("prvm_edictget <program name> <edict number> <field> [<cvar>]\n");
1168                 return;
1169         }
1170
1171         PRVM_Begin;
1172         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
1173         {
1174                 Con_Printf("Wrong program name %s !\n", Cmd_Argv(1));
1175                 return;
1176         }
1177
1178         ed = PRVM_EDICT_NUM(atoi(Cmd_Argv(2)));
1179
1180         if((key = PRVM_ED_FindField(Cmd_Argv(3))) == 0)
1181         {
1182                 Con_Printf("Key %s not found !\n", Cmd_Argv(3));
1183                 goto fail;
1184         }
1185
1186         v = (prvm_eval_t *)((char *)ed->fields.vp + key->ofs*4);
1187         s = PRVM_UglyValueString(key->type, v);
1188         if(Cmd_Argc() == 5)
1189         {
1190                 cvar_t *cvar = Cvar_FindVar(Cmd_Argv(4));
1191                 if (cvar && cvar->flags & CVAR_READONLY)
1192                 {
1193                         Con_Printf("prvm_edictget: %s is read-only\n", cvar->name);
1194                         goto fail;
1195                 }
1196                 Cvar_Get(Cmd_Argv(4), s, 0, NULL);
1197         }
1198         else
1199                 Con_Printf("%s\n", s);
1200
1201 fail:
1202         PRVM_End;
1203 }
1204
1205 void PRVM_ED_GlobalGet_f(void)
1206 {
1207         ddef_t *key;
1208         const char *s;
1209         prvm_eval_t *v;
1210
1211         if(Cmd_Argc() != 3 && Cmd_Argc() != 4)
1212         {
1213                 Con_Print("prvm_globalget <program name> <global> [<cvar>]\n");
1214                 return;
1215         }
1216
1217         PRVM_Begin;
1218         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
1219         {
1220                 Con_Printf("Wrong program name %s !\n", Cmd_Argv(1));
1221                 return;
1222         }
1223
1224         key = PRVM_ED_FindGlobal(Cmd_Argv(2));
1225         if(!key)
1226         {
1227                 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
1228                 goto fail;
1229         }
1230
1231         v = (prvm_eval_t *) &prog->globals.generic[key->ofs];
1232         s = PRVM_UglyValueString(key->type, v);
1233         if(Cmd_Argc() == 4)
1234         {
1235                 cvar_t *cvar = Cvar_FindVar(Cmd_Argv(3));
1236                 if (cvar && cvar->flags & CVAR_READONLY)
1237                 {
1238                         Con_Printf("prvm_globalget: %s is read-only\n", cvar->name);
1239                         goto fail;
1240                 }
1241                 Cvar_Get(Cmd_Argv(3), s, 0, NULL);
1242         }
1243         else
1244                 Con_Printf("%s\n", s);
1245
1246 fail:
1247         PRVM_End;
1248 }
1249
1250 /*
1251 =============
1252 PRVM_ED_EdictSet_f
1253
1254 Console command to set a field of a specified edict
1255 =============
1256 */
1257 void PRVM_ED_EdictSet_f(void)
1258 {
1259         prvm_edict_t *ed;
1260         ddef_t *key;
1261
1262         if(Cmd_Argc() != 5)
1263         {
1264                 Con_Print("prvm_edictset <program name> <edict number> <field> <value>\n");
1265                 return;
1266         }
1267
1268         PRVM_Begin;
1269         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
1270         {
1271                 Con_Printf("Wrong program name %s !\n", Cmd_Argv(1));
1272                 return;
1273         }
1274
1275         ed = PRVM_EDICT_NUM(atoi(Cmd_Argv(2)));
1276
1277         if((key = PRVM_ED_FindField(Cmd_Argv(3))) == 0)
1278                 Con_Printf("Key %s not found !\n", Cmd_Argv(3));
1279         else
1280                 PRVM_ED_ParseEpair(ed, key, Cmd_Argv(4), true);
1281
1282         PRVM_End;
1283 }
1284
1285 /*
1286 ====================
1287 PRVM_ED_ParseEdict
1288
1289 Parses an edict out of the given string, returning the new position
1290 ed should be a properly initialized empty edict.
1291 Used for initial level load and for savegames.
1292 ====================
1293 */
1294 const char *PRVM_ED_ParseEdict (const char *data, prvm_edict_t *ent)
1295 {
1296         ddef_t *key;
1297         qboolean anglehack;
1298         qboolean init;
1299         char keyname[256];
1300         size_t n;
1301
1302         init = false;
1303
1304 // go through all the dictionary pairs
1305         while (1)
1306         {
1307         // parse key
1308                 if (!COM_ParseToken_Simple(&data, false, false))
1309                         PRVM_ERROR ("PRVM_ED_ParseEdict: EOF without closing brace");
1310                 if (developer_entityparsing.integer)
1311                         Con_Printf("Key: \"%s\"", com_token);
1312                 if (com_token[0] == '}')
1313                         break;
1314
1315                 // anglehack is to allow QuakeEd to write single scalar angles
1316                 // and allow them to be turned into vectors. (FIXME...)
1317                 if (!strcmp(com_token, "angle"))
1318                 {
1319                         strlcpy (com_token, "angles", sizeof(com_token));
1320                         anglehack = true;
1321                 }
1322                 else
1323                         anglehack = false;
1324
1325                 // FIXME: change light to _light to get rid of this hack
1326                 if (!strcmp(com_token, "light"))
1327                         strlcpy (com_token, "light_lev", sizeof(com_token));    // hack for single light def
1328
1329                 strlcpy (keyname, com_token, sizeof(keyname));
1330
1331                 // another hack to fix keynames with trailing spaces
1332                 n = strlen(keyname);
1333                 while (n && keyname[n-1] == ' ')
1334                 {
1335                         keyname[n-1] = 0;
1336                         n--;
1337                 }
1338
1339         // parse value
1340                 if (!COM_ParseToken_Simple(&data, false, false))
1341                         PRVM_ERROR ("PRVM_ED_ParseEdict: EOF without closing brace");
1342                 if (developer_entityparsing.integer)
1343                         Con_Printf(" \"%s\"\n", com_token);
1344
1345                 if (com_token[0] == '}')
1346                         PRVM_ERROR ("PRVM_ED_ParseEdict: closing brace without data");
1347
1348                 init = true;
1349
1350                 // ignore attempts to set key "" (this problem occurs in nehahra neh1m8.bsp)
1351                 if (!keyname[0])
1352                         continue;
1353
1354 // keynames with a leading underscore are used for utility comments,
1355 // and are immediately discarded by quake
1356                 if (keyname[0] == '_')
1357                         continue;
1358
1359                 key = PRVM_ED_FindField (keyname);
1360                 if (!key)
1361                 {
1362                         Con_DPrintf("%s: '%s' is not a field\n", PRVM_NAME, keyname);
1363                         continue;
1364                 }
1365
1366                 if (anglehack)
1367                 {
1368                         char    temp[32];
1369                         strlcpy (temp, com_token, sizeof(temp));
1370                         dpsnprintf (com_token, sizeof(com_token), "0 %s 0", temp);
1371                 }
1372
1373                 if (!PRVM_ED_ParseEpair(ent, key, com_token, strcmp(keyname, "wad") != 0))
1374                         PRVM_ERROR ("PRVM_ED_ParseEdict: parse error");
1375         }
1376
1377         if (!init)
1378                 ent->priv.required->free = true;
1379
1380         return data;
1381 }
1382
1383
1384 /*
1385 ================
1386 PRVM_ED_LoadFromFile
1387
1388 The entities are directly placed in the array, rather than allocated with
1389 PRVM_ED_Alloc, because otherwise an error loading the map would have entity
1390 number references out of order.
1391
1392 Creates a server's entity / program execution context by
1393 parsing textual entity definitions out of an ent file.
1394
1395 Used for both fresh maps and savegame loads.  A fresh map would also need
1396 to call PRVM_ED_CallSpawnFunctions () to let the objects initialize themselves.
1397 ================
1398 */
1399 void PRVM_ED_LoadFromFile (const char *data)
1400 {
1401         prvm_edict_t *ent;
1402         int parsed, inhibited, spawned, died;
1403         const char *funcname;
1404         mfunction_t *func;
1405
1406         parsed = 0;
1407         inhibited = 0;
1408         spawned = 0;
1409         died = 0;
1410
1411
1412 // parse ents
1413         while (1)
1414         {
1415 // parse the opening brace
1416                 if (!COM_ParseToken_Simple(&data, false, false))
1417                         break;
1418                 if (com_token[0] != '{')
1419                         PRVM_ERROR ("PRVM_ED_LoadFromFile: %s: found %s when expecting {", PRVM_NAME, com_token);
1420
1421                 // CHANGED: this is not conform to PR_LoadFromFile
1422                 if(prog->loadintoworld)
1423                 {
1424                         prog->loadintoworld = false;
1425                         ent = PRVM_EDICT_NUM(0);
1426                 }
1427                 else
1428                         ent = PRVM_ED_Alloc();
1429
1430                 // clear it
1431                 if (ent != prog->edicts)        // hack
1432                         memset (ent->fields.vp, 0, prog->progs->entityfields * 4);
1433
1434                 data = PRVM_ED_ParseEdict (data, ent);
1435                 parsed++;
1436
1437                 // remove the entity ?
1438                 if(prog->load_edict && !prog->load_edict(ent))
1439                 {
1440                         PRVM_ED_Free(ent);
1441                         inhibited++;
1442                         continue;
1443                 }
1444
1445                 if (prog->funcoffsets.SV_OnEntityPreSpawnFunction)
1446                 {
1447                         // self = ent
1448                         PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
1449                         PRVM_ExecuteProgram (prog->funcoffsets.SV_OnEntityPreSpawnFunction, "QC function SV_OnEntityPreSpawnFunction is missing");
1450                 }
1451
1452                 if(ent->priv.required->free)
1453                 {
1454                         inhibited++;
1455                         continue;
1456                 }
1457
1458 //
1459 // immediately call spawn function, but only if there is a self global and a classname
1460 //
1461                 if(!ent->priv.required->free)
1462                 if(prog->globaloffsets.self >= 0 && prog->fieldoffsets.classname >= 0)
1463                 {
1464                         string_t handle =  PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.classname)->string;
1465                         if (!handle)
1466                         {
1467                                 Con_Print("No classname for:\n");
1468                                 PRVM_ED_Print(ent, NULL);
1469                                 PRVM_ED_Free (ent);
1470                                 continue;
1471                         }
1472
1473                         // look for the spawn function
1474                         funcname = PRVM_GetString(handle);
1475                         func = PRVM_ED_FindFunction (va("spawnfunc_%s", funcname));
1476                         if(!func)
1477                                 if(prog->globaloffsets.require_spawnfunc_prefix < 0)
1478                                         func = PRVM_ED_FindFunction (funcname);
1479
1480                         if (!func)
1481                         {
1482                                 // check for OnEntityNoSpawnFunction
1483                                 if (prog->funcoffsets.SV_OnEntityNoSpawnFunction)
1484                                 {
1485                                         // self = ent
1486                                         PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
1487                                         PRVM_ExecuteProgram (prog->funcoffsets.SV_OnEntityNoSpawnFunction, "QC function SV_OnEntityNoSpawnFunction is missing");
1488                                 }
1489                                 else
1490                                 {
1491                                         if (developer.integer) // don't confuse non-developers with errors
1492                                         {
1493                                                 Con_Print("No spawn function for:\n");
1494                                                 PRVM_ED_Print(ent, NULL);
1495                                         }
1496                                         PRVM_ED_Free (ent);
1497                                         continue; // not included in "inhibited" count
1498                                 }
1499                         }
1500                         else
1501                         {
1502                                 // self = ent
1503                                 PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
1504                                 PRVM_ExecuteProgram (func - prog->functions, "");
1505                         }
1506                 }
1507
1508                 if(!ent->priv.required->free)
1509                 if (prog->funcoffsets.SV_OnEntityPostSpawnFunction)
1510                 {
1511                         // self = ent
1512                         PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
1513                         PRVM_ExecuteProgram (prog->funcoffsets.SV_OnEntityPostSpawnFunction, "QC function SV_OnEntityPostSpawnFunction is missing");
1514                 }
1515
1516                 spawned++;
1517                 if (ent->priv.required->free)
1518                         died++;
1519         }
1520
1521         Con_DPrintf("%s: %i new entities parsed, %i new inhibited, %i (%i new) spawned (whereas %i removed self, %i stayed)\n", PRVM_NAME, parsed, inhibited, prog->num_edicts, spawned, died, spawned - died);
1522 }
1523
1524 void PRVM_FindOffsets(void)
1525 {
1526         // field and global searches use -1 for NULL
1527         memset(&prog->fieldoffsets, -1, sizeof(prog->fieldoffsets));
1528         memset(&prog->globaloffsets, -1, sizeof(prog->globaloffsets));
1529         // functions use 0 for NULL
1530         memset(&prog->funcoffsets, 0, sizeof(prog->funcoffsets));
1531
1532         // server and client qc use a lot of similar fields, so this is combined
1533         prog->fieldoffsets.SendEntity                     = PRVM_ED_FindFieldOffset("SendEntity");
1534         prog->fieldoffsets.SendFlags                      = PRVM_ED_FindFieldOffset("SendFlags");
1535         prog->fieldoffsets.Version                        = PRVM_ED_FindFieldOffset("Version");
1536         prog->fieldoffsets.alpha                          = PRVM_ED_FindFieldOffset("alpha");
1537         prog->fieldoffsets.ammo_cells1                    = PRVM_ED_FindFieldOffset("ammo_cells1");
1538         prog->fieldoffsets.ammo_lava_nails                = PRVM_ED_FindFieldOffset("ammo_lava_nails");
1539         prog->fieldoffsets.ammo_multi_rockets             = PRVM_ED_FindFieldOffset("ammo_multi_rockets");
1540         prog->fieldoffsets.ammo_nails1                    = PRVM_ED_FindFieldOffset("ammo_nails1");
1541         prog->fieldoffsets.ammo_plasma                    = PRVM_ED_FindFieldOffset("ammo_plasma");
1542         prog->fieldoffsets.ammo_rockets1                  = PRVM_ED_FindFieldOffset("ammo_rockets1");
1543         prog->fieldoffsets.ammo_shells1                   = PRVM_ED_FindFieldOffset("ammo_shells1");
1544         prog->fieldoffsets.angles                         = PRVM_ED_FindFieldOffset("angles");
1545         prog->fieldoffsets.button3                        = PRVM_ED_FindFieldOffset("button3");
1546         prog->fieldoffsets.button4                        = PRVM_ED_FindFieldOffset("button4");
1547         prog->fieldoffsets.button5                        = PRVM_ED_FindFieldOffset("button5");
1548         prog->fieldoffsets.button6                        = PRVM_ED_FindFieldOffset("button6");
1549         prog->fieldoffsets.button7                        = PRVM_ED_FindFieldOffset("button7");
1550         prog->fieldoffsets.button8                        = PRVM_ED_FindFieldOffset("button8");
1551         prog->fieldoffsets.button9                        = PRVM_ED_FindFieldOffset("button9");
1552         prog->fieldoffsets.button10                       = PRVM_ED_FindFieldOffset("button10");
1553         prog->fieldoffsets.button11                       = PRVM_ED_FindFieldOffset("button11");
1554         prog->fieldoffsets.button12                       = PRVM_ED_FindFieldOffset("button12");
1555         prog->fieldoffsets.button13                       = PRVM_ED_FindFieldOffset("button13");
1556         prog->fieldoffsets.button14                       = PRVM_ED_FindFieldOffset("button14");
1557         prog->fieldoffsets.button15                       = PRVM_ED_FindFieldOffset("button15");
1558         prog->fieldoffsets.button16                       = PRVM_ED_FindFieldOffset("button16");
1559         prog->fieldoffsets.buttonchat                     = PRVM_ED_FindFieldOffset("buttonchat");
1560         prog->fieldoffsets.buttonuse                      = PRVM_ED_FindFieldOffset("buttonuse");
1561         prog->fieldoffsets.chain                          = PRVM_ED_FindFieldOffset("chain");
1562         prog->fieldoffsets.classname                      = PRVM_ED_FindFieldOffset("classname");
1563         prog->fieldoffsets.clientcamera                   = PRVM_ED_FindFieldOffset("clientcamera");
1564         prog->fieldoffsets.clientcolors                   = PRVM_ED_FindFieldOffset("clientcolors");
1565         prog->fieldoffsets.clientstatus                   = PRVM_ED_FindFieldOffset("clientstatus");
1566         prog->fieldoffsets.color                          = PRVM_ED_FindFieldOffset("color");
1567         prog->fieldoffsets.colormod                       = PRVM_ED_FindFieldOffset("colormod");
1568         prog->fieldoffsets.contentstransition             = PRVM_ED_FindFieldOffset("contentstransition");
1569         prog->fieldoffsets.cursor_active                  = PRVM_ED_FindFieldOffset("cursor_active");
1570         prog->fieldoffsets.cursor_screen                  = PRVM_ED_FindFieldOffset("cursor_screen");
1571         prog->fieldoffsets.cursor_trace_endpos            = PRVM_ED_FindFieldOffset("cursor_trace_endpos");
1572         prog->fieldoffsets.cursor_trace_ent               = PRVM_ED_FindFieldOffset("cursor_trace_ent");
1573         prog->fieldoffsets.cursor_trace_start             = PRVM_ED_FindFieldOffset("cursor_trace_start");
1574         prog->fieldoffsets.customizeentityforclient       = PRVM_ED_FindFieldOffset("customizeentityforclient");
1575         prog->fieldoffsets.dimension_hit                  = PRVM_ED_FindFieldOffset("dimension_hit");
1576         prog->fieldoffsets.dimension_solid                = PRVM_ED_FindFieldOffset("dimension_solid");
1577         prog->fieldoffsets.disableclientprediction        = PRVM_ED_FindFieldOffset("disableclientprediction");
1578         prog->fieldoffsets.dphitcontentsmask              = PRVM_ED_FindFieldOffset("dphitcontentsmask");
1579         prog->fieldoffsets.drawonlytoclient               = PRVM_ED_FindFieldOffset("drawonlytoclient");
1580         prog->fieldoffsets.exteriormodeltoclient          = PRVM_ED_FindFieldOffset("exteriormodeltoclient");
1581         prog->fieldoffsets.fatness                        = PRVM_ED_FindFieldOffset("fatness");
1582         prog->fieldoffsets.forceshader                    = PRVM_ED_FindFieldOffset("forceshader");
1583         prog->fieldoffsets.frame                          = PRVM_ED_FindFieldOffset("frame");
1584         prog->fieldoffsets.frame1time                     = PRVM_ED_FindFieldOffset("frame1time");
1585         prog->fieldoffsets.frame2                         = PRVM_ED_FindFieldOffset("frame2");
1586         prog->fieldoffsets.frame2time                     = PRVM_ED_FindFieldOffset("frame2time");
1587         prog->fieldoffsets.frame3                         = PRVM_ED_FindFieldOffset("frame3");
1588         prog->fieldoffsets.frame3time                     = PRVM_ED_FindFieldOffset("frame3time");
1589         prog->fieldoffsets.frame4                         = PRVM_ED_FindFieldOffset("frame4");
1590         prog->fieldoffsets.frame4time                     = PRVM_ED_FindFieldOffset("frame4time");
1591         prog->fieldoffsets.fullbright                     = PRVM_ED_FindFieldOffset("fullbright");
1592         prog->fieldoffsets.glow_color                     = PRVM_ED_FindFieldOffset("glow_color");
1593         prog->fieldoffsets.glow_size                      = PRVM_ED_FindFieldOffset("glow_size");
1594         prog->fieldoffsets.glow_trail                     = PRVM_ED_FindFieldOffset("glow_trail");
1595         prog->fieldoffsets.gravity                        = PRVM_ED_FindFieldOffset("gravity");
1596         prog->fieldoffsets.groundentity                   = PRVM_ED_FindFieldOffset("groundentity");
1597         prog->fieldoffsets.hull                           = PRVM_ED_FindFieldOffset("hull");
1598         prog->fieldoffsets.ideal_yaw                      = PRVM_ED_FindFieldOffset("ideal_yaw");
1599         prog->fieldoffsets.idealpitch                     = PRVM_ED_FindFieldOffset("idealpitch");
1600         prog->fieldoffsets.items2                         = PRVM_ED_FindFieldOffset("items2");
1601         prog->fieldoffsets.lerpfrac                       = PRVM_ED_FindFieldOffset("lerpfrac");
1602         prog->fieldoffsets.lerpfrac3                      = PRVM_ED_FindFieldOffset("lerpfrac3");
1603         prog->fieldoffsets.lerpfrac4                      = PRVM_ED_FindFieldOffset("lerpfrac4");
1604         prog->fieldoffsets.light_lev                      = PRVM_ED_FindFieldOffset("light_lev");
1605         prog->fieldoffsets.message                        = PRVM_ED_FindFieldOffset("message");
1606         prog->fieldoffsets.modelflags                     = PRVM_ED_FindFieldOffset("modelflags");
1607         prog->fieldoffsets.movement                       = PRVM_ED_FindFieldOffset("movement");
1608         prog->fieldoffsets.movetypesteplandevent          = PRVM_ED_FindFieldOffset("movetypesteplandevent");
1609         prog->fieldoffsets.netaddress                     = PRVM_ED_FindFieldOffset("netaddress");
1610         prog->fieldoffsets.nextthink                      = PRVM_ED_FindFieldOffset("nextthink");
1611         prog->fieldoffsets.nodrawtoclient                 = PRVM_ED_FindFieldOffset("nodrawtoclient");
1612         prog->fieldoffsets.pflags                         = PRVM_ED_FindFieldOffset("pflags");
1613         prog->fieldoffsets.ping                           = PRVM_ED_FindFieldOffset("ping");
1614         prog->fieldoffsets.pitch_speed                    = PRVM_ED_FindFieldOffset("pitch_speed");
1615         prog->fieldoffsets.playermodel                    = PRVM_ED_FindFieldOffset("playermodel");
1616         prog->fieldoffsets.playerskin                     = PRVM_ED_FindFieldOffset("playerskin");
1617         prog->fieldoffsets.pmodel                         = PRVM_ED_FindFieldOffset("pmodel");
1618         prog->fieldoffsets.punchvector                    = PRVM_ED_FindFieldOffset("punchvector");
1619         prog->fieldoffsets.renderamt                      = PRVM_ED_FindFieldOffset("renderamt"); // HalfLife support
1620         prog->fieldoffsets.renderflags                    = PRVM_ED_FindFieldOffset("renderflags");
1621         prog->fieldoffsets.rendermode                     = PRVM_ED_FindFieldOffset("rendermode"); // HalfLife support
1622         prog->fieldoffsets.scale                          = PRVM_ED_FindFieldOffset("scale");
1623         prog->fieldoffsets.shadertime                     = PRVM_ED_FindFieldOffset("shadertime");
1624         prog->fieldoffsets.style                          = PRVM_ED_FindFieldOffset("style");
1625         prog->fieldoffsets.tag_entity                     = PRVM_ED_FindFieldOffset("tag_entity");
1626         prog->fieldoffsets.tag_index                      = PRVM_ED_FindFieldOffset("tag_index");
1627         prog->fieldoffsets.think                          = PRVM_ED_FindFieldOffset("think");
1628         prog->fieldoffsets.viewmodelforclient             = PRVM_ED_FindFieldOffset("viewmodelforclient");
1629         prog->fieldoffsets.viewzoom                       = PRVM_ED_FindFieldOffset("viewzoom");
1630         prog->fieldoffsets.yaw_speed                      = PRVM_ED_FindFieldOffset("yaw_speed");
1631         prog->fieldoffsets.bouncefactor                   = PRVM_ED_FindFieldOffset("bouncefactor");
1632         prog->fieldoffsets.bouncestop                     = PRVM_ED_FindFieldOffset("bouncestop");
1633         prog->funcoffsets.CSQC_ConsoleCommand             = PRVM_ED_FindFunctionOffset("CSQC_ConsoleCommand");
1634         prog->funcoffsets.CSQC_Ent_Remove                 = PRVM_ED_FindFunctionOffset("CSQC_Ent_Remove");
1635         prog->funcoffsets.CSQC_Ent_Spawn                  = PRVM_ED_FindFunctionOffset("CSQC_Ent_Spawn");
1636         prog->funcoffsets.CSQC_Ent_Update                 = PRVM_ED_FindFunctionOffset("CSQC_Ent_Update");
1637         prog->funcoffsets.CSQC_Event                      = PRVM_ED_FindFunctionOffset("CSQC_Event");
1638         prog->funcoffsets.CSQC_Event_Sound                = PRVM_ED_FindFunctionOffset("CSQC_Event_Sound");
1639         prog->funcoffsets.CSQC_Init                       = PRVM_ED_FindFunctionOffset("CSQC_Init");
1640         prog->funcoffsets.CSQC_InputEvent                 = PRVM_ED_FindFunctionOffset("CSQC_InputEvent");
1641         prog->funcoffsets.CSQC_Parse_CenterPrint          = PRVM_ED_FindFunctionOffset("CSQC_Parse_CenterPrint");
1642         prog->funcoffsets.CSQC_Parse_Print                = PRVM_ED_FindFunctionOffset("CSQC_Parse_Print");
1643         prog->funcoffsets.CSQC_Parse_StuffCmd             = PRVM_ED_FindFunctionOffset("CSQC_Parse_StuffCmd");
1644         prog->funcoffsets.CSQC_Parse_TempEntity           = PRVM_ED_FindFunctionOffset("CSQC_Parse_TempEntity");
1645         prog->funcoffsets.CSQC_Shutdown                   = PRVM_ED_FindFunctionOffset("CSQC_Shutdown");
1646         prog->funcoffsets.CSQC_UpdateView                 = PRVM_ED_FindFunctionOffset("CSQC_UpdateView");
1647         prog->funcoffsets.EndFrame                        = PRVM_ED_FindFunctionOffset("EndFrame");
1648         prog->funcoffsets.GameCommand                     = PRVM_ED_FindFunctionOffset("GameCommand");
1649         prog->funcoffsets.Gecko_Query                     = PRVM_ED_FindFunctionOffset("Gecko_Query");
1650         prog->funcoffsets.RestoreGame                     = PRVM_ED_FindFunctionOffset("RestoreGame");
1651         prog->funcoffsets.SV_ChangeTeam                   = PRVM_ED_FindFunctionOffset("SV_ChangeTeam");
1652         prog->funcoffsets.SV_OnEntityNoSpawnFunction      = PRVM_ED_FindFunctionOffset("SV_OnEntityNoSpawnFunction");
1653         prog->funcoffsets.SV_OnEntityPostSpawnFunction    = PRVM_ED_FindFunctionOffset("SV_OnEntityPostSpawnFunction");
1654         prog->funcoffsets.SV_OnEntityPreSpawnFunction     = PRVM_ED_FindFunctionOffset("SV_OnEntityPreSpawnFunction");
1655         prog->funcoffsets.SV_ParseClientCommand           = PRVM_ED_FindFunctionOffset("SV_ParseClientCommand");
1656         prog->funcoffsets.SV_PausedTic                    = PRVM_ED_FindFunctionOffset("SV_PausedTic");
1657         prog->funcoffsets.SV_PlayerPhysics                = PRVM_ED_FindFunctionOffset("SV_PlayerPhysics");
1658         prog->funcoffsets.SV_Shutdown                     = PRVM_ED_FindFunctionOffset("SV_Shutdown");
1659         prog->funcoffsets.URI_Get_Callback                = PRVM_ED_FindFunctionOffset("URI_Get_Callback");
1660         prog->globaloffsets.SV_InitCmd                    = PRVM_ED_FindGlobalOffset("SV_InitCmd");
1661         prog->globaloffsets.coop                          = PRVM_ED_FindGlobalOffset("coop");
1662         prog->globaloffsets.deathmatch                    = PRVM_ED_FindGlobalOffset("deathmatch");
1663         prog->globaloffsets.dmg_origin                    = PRVM_ED_FindGlobalOffset("dmg_origin");
1664         prog->globaloffsets.dmg_save                      = PRVM_ED_FindGlobalOffset("dmg_save");
1665         prog->globaloffsets.dmg_take                      = PRVM_ED_FindGlobalOffset("dmg_take");
1666         prog->globaloffsets.drawfont                      = PRVM_ED_FindGlobalOffset("drawfont");
1667         prog->globaloffsets.gettaginfo_forward            = PRVM_ED_FindGlobalOffset("gettaginfo_forward");
1668         prog->globaloffsets.gettaginfo_name               = PRVM_ED_FindGlobalOffset("gettaginfo_name");
1669         prog->globaloffsets.gettaginfo_offset             = PRVM_ED_FindGlobalOffset("gettaginfo_offset");
1670         prog->globaloffsets.gettaginfo_parent             = PRVM_ED_FindGlobalOffset("gettaginfo_parent");
1671         prog->globaloffsets.gettaginfo_right              = PRVM_ED_FindGlobalOffset("gettaginfo_right");
1672         prog->globaloffsets.gettaginfo_up                 = PRVM_ED_FindGlobalOffset("gettaginfo_up");
1673         prog->globaloffsets.intermission                  = PRVM_ED_FindGlobalOffset("intermission");
1674         prog->globaloffsets.require_spawnfunc_prefix      = PRVM_ED_FindGlobalOffset("require_spawnfunc_prefix");
1675         prog->globaloffsets.sb_showscores                 = PRVM_ED_FindGlobalOffset("sb_showscores");
1676         prog->globaloffsets.self                          = PRVM_ED_FindGlobalOffset("self");
1677         prog->globaloffsets.serverdeltatime               = PRVM_ED_FindGlobalOffset("serverdeltatime");
1678         prog->globaloffsets.serverprevtime                = PRVM_ED_FindGlobalOffset("serverprevtime");
1679         prog->globaloffsets.servertime                    = PRVM_ED_FindGlobalOffset("servertime");
1680         prog->globaloffsets.time                          = PRVM_ED_FindGlobalOffset("time");
1681         prog->globaloffsets.trace_allsolid                = PRVM_ED_FindGlobalOffset("trace_allsolid");
1682         prog->globaloffsets.trace_dphitcontents           = PRVM_ED_FindGlobalOffset("trace_dphitcontents");
1683         prog->globaloffsets.trace_dphitq3surfaceflags     = PRVM_ED_FindGlobalOffset("trace_dphitq3surfaceflags");
1684         prog->globaloffsets.trace_dphittexturename        = PRVM_ED_FindGlobalOffset("trace_dphittexturename");
1685         prog->globaloffsets.trace_dpstartcontents         = PRVM_ED_FindGlobalOffset("trace_dpstartcontents");
1686         prog->globaloffsets.trace_endpos                  = PRVM_ED_FindGlobalOffset("trace_endpos");
1687         prog->globaloffsets.trace_ent                     = PRVM_ED_FindGlobalOffset("trace_ent");
1688         prog->globaloffsets.trace_fraction                = PRVM_ED_FindGlobalOffset("trace_fraction");
1689         prog->globaloffsets.trace_inopen                  = PRVM_ED_FindGlobalOffset("trace_inopen");
1690         prog->globaloffsets.trace_inwater                 = PRVM_ED_FindGlobalOffset("trace_inwater");
1691         prog->globaloffsets.trace_networkentity           = PRVM_ED_FindGlobalOffset("trace_networkentity");
1692         prog->globaloffsets.trace_plane_dist              = PRVM_ED_FindGlobalOffset("trace_plane_dist");
1693         prog->globaloffsets.trace_plane_normal            = PRVM_ED_FindGlobalOffset("trace_plane_normal");
1694         prog->globaloffsets.trace_startsolid              = PRVM_ED_FindGlobalOffset("trace_startsolid");
1695         prog->globaloffsets.v_forward                     = PRVM_ED_FindGlobalOffset("v_forward");
1696         prog->globaloffsets.v_right                       = PRVM_ED_FindGlobalOffset("v_right");
1697         prog->globaloffsets.v_up                          = PRVM_ED_FindGlobalOffset("v_up");
1698         prog->globaloffsets.view_angles                   = PRVM_ED_FindGlobalOffset("view_angles");
1699         prog->globaloffsets.worldstatus                   = PRVM_ED_FindGlobalOffset("worldstatus");
1700
1701         // menu qc only uses some functions, nothing else
1702         prog->funcoffsets.m_draw                          = PRVM_ED_FindFunctionOffset("m_draw");
1703         prog->funcoffsets.m_init                          = PRVM_ED_FindFunctionOffset("m_init");
1704         prog->funcoffsets.m_keydown                       = PRVM_ED_FindFunctionOffset("m_keydown");
1705         prog->funcoffsets.m_keyup                         = PRVM_ED_FindFunctionOffset("m_keyup");
1706         prog->funcoffsets.m_shutdown                      = PRVM_ED_FindFunctionOffset("m_shutdown");
1707         prog->funcoffsets.m_toggle                        = PRVM_ED_FindFunctionOffset("m_toggle");
1708 }
1709
1710 // not used
1711 /*
1712 typedef struct dpfield_s
1713 {
1714         int type;
1715         char *string;
1716 }
1717 dpfield_t;
1718
1719 #define DPFIELDS (sizeof(dpfields) / sizeof(dpfield_t))
1720
1721 dpfield_t dpfields[] =
1722 {
1723 };
1724 */
1725
1726 /*
1727 ===============
1728 PRVM_ResetProg
1729 ===============
1730 */
1731
1732 void PRVM_LeakTest(void);
1733 void PRVM_ResetProg(void)
1734 {
1735         PRVM_LeakTest();
1736         PRVM_GCALL(reset_cmd)();
1737         Mem_FreePool(&prog->progs_mempool);
1738         memset(prog,0,sizeof(prvm_prog_t));
1739         prog->starttime = Sys_DoubleTime();
1740 }
1741
1742 /*
1743 ===============
1744 PRVM_LoadLNO
1745 ===============
1746 */
1747 void PRVM_LoadLNO( const char *progname ) {
1748         fs_offset_t filesize;
1749         unsigned char *lno;
1750         unsigned int *header;
1751         char filename[512];
1752
1753         FS_StripExtension( progname, filename, sizeof( filename ) );
1754         strlcat( filename, ".lno", sizeof( filename ) );
1755
1756         lno = FS_LoadFile( filename, tempmempool, false, &filesize );
1757         if( !lno ) {
1758                 return;
1759         }
1760
1761 /*
1762 <Spike>    SafeWrite (h, &lnotype, sizeof(int));
1763 <Spike>    SafeWrite (h, &version, sizeof(int));
1764 <Spike>    SafeWrite (h, &numglobaldefs, sizeof(int));
1765 <Spike>    SafeWrite (h, &numpr_globals, sizeof(int));
1766 <Spike>    SafeWrite (h, &numfielddefs, sizeof(int));
1767 <Spike>    SafeWrite (h, &numstatements, sizeof(int));
1768 <Spike>    SafeWrite (h, statement_linenums, numstatements*sizeof(int));
1769 */
1770         if( (unsigned) filesize < (6 + prog->progs->numstatements) * sizeof( int ) ) {
1771                 Mem_Free(lno);
1772                 return;
1773         }
1774
1775         header = (unsigned int *) lno;
1776         if( header[ 0 ] == *(unsigned int *) "LNOF" &&
1777                 LittleLong( header[ 1 ] ) == 1 &&
1778                 (unsigned int)LittleLong( header[ 2 ] ) == (unsigned int)prog->progs->numglobaldefs &&
1779                 (unsigned int)LittleLong( header[ 3 ] ) == (unsigned int)prog->progs->numglobals &&
1780                 (unsigned int)LittleLong( header[ 4 ] ) == (unsigned int)prog->progs->numfielddefs &&
1781                 (unsigned int)LittleLong( header[ 5 ] ) == (unsigned int)prog->progs->numstatements )
1782         {
1783                 prog->statement_linenums = (int *)Mem_Alloc(prog->progs_mempool, prog->progs->numstatements * sizeof( int ) );
1784                 memcpy( prog->statement_linenums, (int *) lno + 6, prog->progs->numstatements * sizeof( int ) );
1785         }
1786         Mem_Free( lno );
1787 }
1788
1789 /*
1790 ===============
1791 PRVM_LoadProgs
1792 ===============
1793 */
1794 void PRVM_LoadProgs (const char * filename, int numrequiredfunc, char **required_func, int numrequiredfields, prvm_required_field_t *required_field, int numrequiredglobals, char **required_global)
1795 {
1796         int i;
1797         dstatement_t *st;
1798         ddef_t *infielddefs;
1799         dfunction_t *dfunctions;
1800         fs_offset_t filesize;
1801
1802         if( prog->loaded ) {
1803                 PRVM_ERROR ("PRVM_LoadProgs: there is already a %s program loaded!", PRVM_NAME );
1804         }
1805
1806         prog->progs = (dprograms_t *)FS_LoadFile (filename, prog->progs_mempool, false, &filesize);
1807         if (prog->progs == NULL || filesize < (fs_offset_t)sizeof(dprograms_t))
1808                 PRVM_ERROR ("PRVM_LoadProgs: couldn't load %s for %s", filename, PRVM_NAME);
1809         // TODO bounds check header fields (e.g. numstatements), they must never go behind end of file
1810
1811         Con_DPrintf("%s programs occupy %iK.\n", PRVM_NAME, (int)(filesize/1024));
1812
1813         prog->filecrc = CRC_Block((unsigned char *)prog->progs, filesize);
1814
1815 // byte swap the header
1816         for (i = 0;i < (int) sizeof(*prog->progs) / 4;i++)
1817                 ((int *)prog->progs)[i] = LittleLong ( ((int *)prog->progs)[i] );
1818
1819         if (prog->progs->version != PROG_VERSION)
1820                 PRVM_ERROR ("%s: %s has wrong version number (%i should be %i)", PRVM_NAME, filename, prog->progs->version, PROG_VERSION);
1821         if (prog->progs->crc != prog->headercrc && prog->progs->crc != prog->headercrc2)
1822                 PRVM_ERROR ("%s: %s system vars have been modified (CRC of progs.dat systemvars %i != engine %i), progdefs.h is out of date", PRVM_NAME, filename, prog->progs->crc, prog->headercrc);
1823
1824         //prog->functions = (dfunction_t *)((unsigned char *)progs + progs->ofs_functions);
1825         dfunctions = (dfunction_t *)((unsigned char *)prog->progs + prog->progs->ofs_functions);
1826
1827         if (prog->progs->ofs_strings + prog->progs->numstrings >= (int)filesize)
1828                 PRVM_ERROR ("%s: %s strings go past end of file", PRVM_NAME, filename);
1829         prog->strings = (char *)prog->progs + prog->progs->ofs_strings;
1830         prog->stringssize = prog->progs->numstrings;
1831
1832         prog->numknownstrings = 0;
1833         prog->maxknownstrings = 0;
1834         prog->knownstrings = NULL;
1835         prog->knownstrings_freeable = NULL;
1836
1837         Mem_ExpandableArray_NewArray(&prog->stringbuffersarray, prog->progs_mempool, sizeof(prvm_stringbuffer_t), 64);
1838
1839         prog->globaldefs = (ddef_t *)((unsigned char *)prog->progs + prog->progs->ofs_globaldefs);
1840
1841         // we need to expand the fielddefs list to include all the engine fields,
1842         // so allocate a new place for it
1843         infielddefs = (ddef_t *)((unsigned char *)prog->progs + prog->progs->ofs_fielddefs);
1844         //                                                                                              ( + DPFIELDS                       )
1845         prog->fielddefs = (ddef_t *)Mem_Alloc(prog->progs_mempool, (prog->progs->numfielddefs + numrequiredfields) * sizeof(ddef_t));
1846
1847         prog->statements = (dstatement_t *)((unsigned char *)prog->progs + prog->progs->ofs_statements);
1848
1849         prog->statement_profile = (double *)Mem_Alloc(prog->progs_mempool, prog->progs->numstatements * sizeof(*prog->statement_profile));
1850
1851         // moved edict_size calculation down below field adding code
1852
1853         //pr_global_struct = (globalvars_t *)((unsigned char *)progs + progs->ofs_globals);
1854         prog->globals.generic = (float *)((unsigned char *)prog->progs + prog->progs->ofs_globals);
1855
1856 // byte swap the lumps
1857         for (i=0 ; i<prog->progs->numstatements ; i++)
1858         {
1859                 prog->statements[i].op = LittleShort(prog->statements[i].op);
1860                 prog->statements[i].a = LittleShort(prog->statements[i].a);
1861                 prog->statements[i].b = LittleShort(prog->statements[i].b);
1862                 prog->statements[i].c = LittleShort(prog->statements[i].c);
1863         }
1864
1865         prog->functions = (mfunction_t *)Mem_Alloc(prog->progs_mempool, sizeof(mfunction_t) * prog->progs->numfunctions);
1866         for (i = 0;i < prog->progs->numfunctions;i++)
1867         {
1868                 prog->functions[i].first_statement = LittleLong (dfunctions[i].first_statement);
1869                 prog->functions[i].parm_start = LittleLong (dfunctions[i].parm_start);
1870                 prog->functions[i].s_name = LittleLong (dfunctions[i].s_name);
1871                 prog->functions[i].s_file = LittleLong (dfunctions[i].s_file);
1872                 prog->functions[i].numparms = LittleLong (dfunctions[i].numparms);
1873                 prog->functions[i].locals = LittleLong (dfunctions[i].locals);
1874                 memcpy(prog->functions[i].parm_size, dfunctions[i].parm_size, sizeof(dfunctions[i].parm_size));
1875                 if(prog->functions[i].first_statement >= prog->progs->numstatements)
1876                         PRVM_ERROR("PRVM_LoadProgs: out of bounds function statement (function %d) in %s", i, PRVM_NAME);
1877                 // TODO bounds check parm_start, s_name, s_file, numparms, locals, parm_size
1878         }
1879
1880         for (i=0 ; i<prog->progs->numglobaldefs ; i++)
1881         {
1882                 prog->globaldefs[i].type = LittleShort (prog->globaldefs[i].type);
1883                 prog->globaldefs[i].ofs = LittleShort (prog->globaldefs[i].ofs);
1884                 prog->globaldefs[i].s_name = LittleLong (prog->globaldefs[i].s_name);
1885                 // TODO bounds check ofs, s_name
1886         }
1887
1888         // copy the progs fields to the new fields list
1889         for (i = 0;i < prog->progs->numfielddefs;i++)
1890         {
1891                 prog->fielddefs[i].type = LittleShort (infielddefs[i].type);
1892                 if (prog->fielddefs[i].type & DEF_SAVEGLOBAL)
1893                         PRVM_ERROR ("PRVM_LoadProgs: prog->fielddefs[i].type & DEF_SAVEGLOBAL in %s", PRVM_NAME);
1894                 prog->fielddefs[i].ofs = LittleShort (infielddefs[i].ofs);
1895                 prog->fielddefs[i].s_name = LittleLong (infielddefs[i].s_name);
1896                 // TODO bounds check ofs, s_name
1897         }
1898
1899         // append the required fields
1900         for (i = 0;i < (int) numrequiredfields;i++)
1901         {
1902                 prog->fielddefs[prog->progs->numfielddefs].type = required_field[i].type;
1903                 prog->fielddefs[prog->progs->numfielddefs].ofs = prog->progs->entityfields;
1904                 prog->fielddefs[prog->progs->numfielddefs].s_name = PRVM_SetEngineString(required_field[i].name);
1905                 // TODO bounds check ofs, s_name
1906                 if (prog->fielddefs[prog->progs->numfielddefs].type == ev_vector)
1907                         prog->progs->entityfields += 3;
1908                 else
1909                         prog->progs->entityfields++;
1910                 prog->progs->numfielddefs++;
1911         }
1912
1913         // check required functions
1914         for(i=0 ; i < numrequiredfunc ; i++)
1915                 if(PRVM_ED_FindFunction(required_func[i]) == 0)
1916                         PRVM_ERROR("%s: %s not found in %s",PRVM_NAME, required_func[i], filename);
1917
1918         // check required globals
1919         for(i=0 ; i < numrequiredglobals ; i++)
1920                 if(PRVM_ED_FindGlobal(required_global[i]) == 0)
1921                         PRVM_ERROR("%s: %s not found in %s",PRVM_NAME, required_global[i], filename);
1922
1923         for (i=0 ; i<prog->progs->numglobals ; i++)
1924                 ((int *)prog->globals.generic)[i] = LittleLong (((int *)prog->globals.generic)[i]);
1925
1926         // moved edict_size calculation down here, below field adding code
1927         // LordHavoc: this no longer includes the prvm_edict_t header
1928         prog->edict_size = prog->progs->entityfields * 4;
1929         prog->edictareasize = prog->edict_size * prog->limit_edicts;
1930
1931         // LordHavoc: bounds check anything static
1932         for (i = 0,st = prog->statements;i < prog->progs->numstatements;i++,st++)
1933         {
1934                 switch (st->op)
1935                 {
1936                 case OP_IF:
1937                 case OP_IFNOT:
1938                         if ((unsigned short) st->a >= prog->progs->numglobals || st->b + i < 0 || st->b + i >= prog->progs->numstatements)
1939                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds IF/IFNOT (statement %d) in %s", i, PRVM_NAME);
1940                         break;
1941                 case OP_GOTO:
1942                         if (st->a + i < 0 || st->a + i >= prog->progs->numstatements)
1943                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds GOTO (statement %d) in %s", i, PRVM_NAME);
1944                         break;
1945                 // global global global
1946                 case OP_ADD_F:
1947                 case OP_ADD_V:
1948                 case OP_SUB_F:
1949                 case OP_SUB_V:
1950                 case OP_MUL_F:
1951                 case OP_MUL_V:
1952                 case OP_MUL_FV:
1953                 case OP_MUL_VF:
1954                 case OP_DIV_F:
1955                 case OP_BITAND:
1956                 case OP_BITOR:
1957                 case OP_GE:
1958                 case OP_LE:
1959                 case OP_GT:
1960                 case OP_LT:
1961                 case OP_AND:
1962                 case OP_OR:
1963                 case OP_EQ_F:
1964                 case OP_EQ_V:
1965                 case OP_EQ_S:
1966                 case OP_EQ_E:
1967                 case OP_EQ_FNC:
1968                 case OP_NE_F:
1969                 case OP_NE_V:
1970                 case OP_NE_S:
1971                 case OP_NE_E:
1972                 case OP_NE_FNC:
1973                 case OP_ADDRESS:
1974                 case OP_LOAD_F:
1975                 case OP_LOAD_FLD:
1976                 case OP_LOAD_ENT:
1977                 case OP_LOAD_S:
1978                 case OP_LOAD_FNC:
1979                 case OP_LOAD_V:
1980                         if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->b >= prog->progs->numglobals || (unsigned short) st->c >= prog->progs->numglobals)
1981                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d)", i);
1982                         break;
1983                 // global none global
1984                 case OP_NOT_F:
1985                 case OP_NOT_V:
1986                 case OP_NOT_S:
1987                 case OP_NOT_FNC:
1988                 case OP_NOT_ENT:
1989                         if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->c >= prog->progs->numglobals)
1990                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
1991                         break;
1992                 // 2 globals
1993                 case OP_STOREP_F:
1994                 case OP_STOREP_ENT:
1995                 case OP_STOREP_FLD:
1996                 case OP_STOREP_S:
1997                 case OP_STOREP_FNC:
1998                 case OP_STORE_F:
1999                 case OP_STORE_ENT:
2000                 case OP_STORE_FLD:
2001                 case OP_STORE_S:
2002                 case OP_STORE_FNC:
2003                 case OP_STATE:
2004                 case OP_STOREP_V:
2005                 case OP_STORE_V:
2006                         if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->b >= prog->progs->numglobals)
2007                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
2008                         break;
2009                 // 1 global
2010                 case OP_CALL0:
2011                 case OP_CALL1:
2012                 case OP_CALL2:
2013                 case OP_CALL3:
2014                 case OP_CALL4:
2015                 case OP_CALL5:
2016                 case OP_CALL6:
2017                 case OP_CALL7:
2018                 case OP_CALL8:
2019                 case OP_DONE:
2020                 case OP_RETURN:
2021                         if ((unsigned short) st->a >= prog->progs->numglobals)
2022                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
2023                         break;
2024                 default:
2025                         Con_DPrintf("PRVM_LoadProgs: unknown opcode %d at statement %d in %s\n", st->op, i, PRVM_NAME);
2026                         break;
2027                 }
2028         }
2029         if(prog->progs->numstatements < 1)
2030         {
2031                 PRVM_ERROR("PRVM_LoadProgs: empty program in %s", PRVM_NAME);
2032         }
2033         else switch(prog->statements[prog->progs->numstatements - 1].op)
2034         {
2035                 case OP_RETURN:
2036                 case OP_GOTO:
2037                 case OP_DONE:
2038                         break;
2039                 default:
2040                         PRVM_ERROR("PRVM_LoadProgs: program may fall off the edge (does not end with RETURN, GOTO or DONE) in %s", PRVM_NAME);
2041                         break;
2042         }
2043
2044         PRVM_LoadLNO(filename);
2045
2046         PRVM_Init_Exec();
2047
2048         prog->loaded = TRUE;
2049
2050         // set flags & ddef_ts in prog
2051
2052         prog->flag = 0;
2053
2054         PRVM_FindOffsets();
2055
2056         PRVM_GCALL(init_cmd)();
2057
2058         // init mempools
2059         PRVM_MEM_Alloc();
2060 }
2061
2062
2063 void PRVM_Fields_f (void)
2064 {
2065         int i, j, ednum, used, usedamount;
2066         int *counts;
2067         char tempstring[MAX_INPUTLINE], tempstring2[260];
2068         const char *name;
2069         prvm_edict_t *ed;
2070         ddef_t *d;
2071         int *v;
2072
2073         // TODO
2074         /*
2075         if (!sv.active)
2076         {
2077                 Con_Print("no progs loaded\n");
2078                 return;
2079         }
2080         */
2081
2082         if(Cmd_Argc() != 2)
2083         {
2084                 Con_Print("prvm_fields <program name>\n");
2085                 return;
2086         }
2087
2088         PRVM_Begin;
2089         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
2090                 return;
2091
2092         counts = (int *)Mem_Alloc(tempmempool, prog->progs->numfielddefs * sizeof(int));
2093         for (ednum = 0;ednum < prog->max_edicts;ednum++)
2094         {
2095                 ed = PRVM_EDICT_NUM(ednum);
2096                 if (ed->priv.required->free)
2097                         continue;
2098                 for (i = 1;i < prog->progs->numfielddefs;i++)
2099                 {
2100                         d = &prog->fielddefs[i];
2101                         name = PRVM_GetString(d->s_name);
2102                         if (name[strlen(name)-2] == '_')
2103                                 continue;       // skip _x, _y, _z vars
2104                         v = (int *)((char *)ed->fields.vp + d->ofs*4);
2105                         // if the value is still all 0, skip the field
2106                         for (j = 0;j < prvm_type_size[d->type & ~DEF_SAVEGLOBAL];j++)
2107                         {
2108                                 if (v[j])
2109                                 {
2110                                         counts[i]++;
2111                                         break;
2112                                 }
2113                         }
2114                 }
2115         }
2116         used = 0;
2117         usedamount = 0;
2118         tempstring[0] = 0;
2119         for (i = 0;i < prog->progs->numfielddefs;i++)
2120         {
2121                 d = &prog->fielddefs[i];
2122                 name = PRVM_GetString(d->s_name);
2123                 if (name[strlen(name)-2] == '_')
2124                         continue;       // skip _x, _y, _z vars
2125                 switch(d->type & ~DEF_SAVEGLOBAL)
2126                 {
2127                 case ev_string:
2128                         strlcat(tempstring, "string   ", sizeof(tempstring));
2129                         break;
2130                 case ev_entity:
2131                         strlcat(tempstring, "entity   ", sizeof(tempstring));
2132                         break;
2133                 case ev_function:
2134                         strlcat(tempstring, "function ", sizeof(tempstring));
2135                         break;
2136                 case ev_field:
2137                         strlcat(tempstring, "field    ", sizeof(tempstring));
2138                         break;
2139                 case ev_void:
2140                         strlcat(tempstring, "void     ", sizeof(tempstring));
2141                         break;
2142                 case ev_float:
2143                         strlcat(tempstring, "float    ", sizeof(tempstring));
2144                         break;
2145                 case ev_vector:
2146                         strlcat(tempstring, "vector   ", sizeof(tempstring));
2147                         break;
2148                 case ev_pointer:
2149                         strlcat(tempstring, "pointer  ", sizeof(tempstring));
2150                         break;
2151                 default:
2152                         dpsnprintf (tempstring2, sizeof(tempstring2), "bad type %i ", d->type & ~DEF_SAVEGLOBAL);
2153                         strlcat(tempstring, tempstring2, sizeof(tempstring));
2154                         break;
2155                 }
2156                 if (strlen(name) > sizeof(tempstring2)-4)
2157                 {
2158                         memcpy (tempstring2, name, sizeof(tempstring2)-4);
2159                         tempstring2[sizeof(tempstring2)-4] = tempstring2[sizeof(tempstring2)-3] = tempstring2[sizeof(tempstring2)-2] = '.';
2160                         tempstring2[sizeof(tempstring2)-1] = 0;
2161                         name = tempstring2;
2162                 }
2163                 strlcat(tempstring, name, sizeof(tempstring));
2164                 for (j = (int)strlen(name);j < 25;j++)
2165                         strlcat(tempstring, " ", sizeof(tempstring));
2166                 dpsnprintf(tempstring2, sizeof(tempstring2), "%5d", counts[i]);
2167                 strlcat(tempstring, tempstring2, sizeof(tempstring));
2168                 strlcat(tempstring, "\n", sizeof(tempstring));
2169                 if (strlen(tempstring) >= sizeof(tempstring)/2)
2170                 {
2171                         Con_Print(tempstring);
2172                         tempstring[0] = 0;
2173                 }
2174                 if (counts[i])
2175                 {
2176                         used++;
2177                         usedamount += prvm_type_size[d->type & ~DEF_SAVEGLOBAL];
2178                 }
2179         }
2180         Mem_Free(counts);
2181         Con_Printf("%s: %i entity fields (%i in use), totalling %i bytes per edict (%i in use), %i edicts allocated, %i bytes total spent on edict fields (%i needed)\n", PRVM_NAME, prog->progs->entityfields, used, prog->progs->entityfields * 4, usedamount * 4, prog->max_edicts, prog->progs->entityfields * 4 * prog->max_edicts, usedamount * 4 * prog->max_edicts);
2182
2183         PRVM_End;
2184 }
2185
2186 void PRVM_Globals_f (void)
2187 {
2188         int i;
2189         const char *wildcard;
2190         int numculled;
2191                 numculled = 0;
2192         // TODO
2193         /*if (!sv.active)
2194         {
2195                 Con_Print("no progs loaded\n");
2196                 return;
2197         }*/
2198         if(Cmd_Argc () < 2 || Cmd_Argc() > 3)
2199         {
2200                 Con_Print("prvm_globals <program name> <optional name wildcard>\n");
2201                 return;
2202         }
2203
2204         PRVM_Begin;
2205         if(!PRVM_SetProgFromString (Cmd_Argv (1)))
2206                 return;
2207
2208         if( Cmd_Argc() == 3)
2209                 wildcard = Cmd_Argv(2);
2210         else
2211                 wildcard = NULL;
2212
2213         Con_Printf("%s :", PRVM_NAME);
2214
2215         for (i = 0;i < prog->progs->numglobaldefs;i++)
2216         {
2217                 if(wildcard)
2218                         if( !matchpattern( PRVM_GetString(prog->globaldefs[i].s_name), wildcard, 1) )
2219                         {
2220                                 numculled++;
2221                                 continue;
2222                         }
2223                 Con_Printf("%s\n", PRVM_GetString(prog->globaldefs[i].s_name));
2224         }
2225         Con_Printf("%i global variables, %i culled, totalling %i bytes\n", prog->progs->numglobals, numculled, prog->progs->numglobals * 4);
2226
2227         PRVM_End;
2228 }
2229
2230 /*
2231 ===============
2232 PRVM_Global
2233 ===============
2234 */
2235 void PRVM_Global_f(void)
2236 {
2237         ddef_t *global;
2238         if( Cmd_Argc() != 3 ) {
2239                 Con_Printf( "prvm_global <program name> <global name>\n" );
2240                 return;
2241         }
2242
2243         PRVM_Begin;
2244         if( !PRVM_SetProgFromString( Cmd_Argv(1) ) )
2245                 return;
2246
2247         global = PRVM_ED_FindGlobal( Cmd_Argv(2) );
2248         if( !global )
2249                 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
2250         else
2251                 Con_Printf( "%s: %s\n", Cmd_Argv(2), PRVM_ValueString( (etype_t)global->type, (prvm_eval_t *) &prog->globals.generic[ global->ofs ] ) );
2252         PRVM_End;
2253 }
2254
2255 /*
2256 ===============
2257 PRVM_GlobalSet
2258 ===============
2259 */
2260 void PRVM_GlobalSet_f(void)
2261 {
2262         ddef_t *global;
2263         if( Cmd_Argc() != 4 ) {
2264                 Con_Printf( "prvm_globalset <program name> <global name> <value>\n" );
2265                 return;
2266         }
2267
2268         PRVM_Begin;
2269         if( !PRVM_SetProgFromString( Cmd_Argv(1) ) )
2270                 return;
2271
2272         global = PRVM_ED_FindGlobal( Cmd_Argv(2) );
2273         if( !global )
2274                 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
2275         else
2276                 PRVM_ED_ParseEpair( NULL, global, Cmd_Argv(3), true );
2277         PRVM_End;
2278 }
2279
2280 /*
2281 ===============
2282 PRVM_Init
2283 ===============
2284 */
2285 void PRVM_Init (void)
2286 {
2287         Cmd_AddCommand ("prvm_edict", PRVM_ED_PrintEdict_f, "print all data about an entity number in the selected VM (server, client, menu)");
2288         Cmd_AddCommand ("prvm_edicts", PRVM_ED_PrintEdicts_f, "prints all data about all entities in the selected VM (server, client, menu)");
2289         Cmd_AddCommand ("prvm_edictcount", PRVM_ED_Count_f, "prints number of active entities in the selected VM (server, client, menu)");
2290         Cmd_AddCommand ("prvm_profile", PRVM_Profile_f, "prints execution statistics about the most used QuakeC functions in the selected VM (server, client, menu)");
2291         Cmd_AddCommand ("prvm_childprofile", PRVM_ChildProfile_f, "prints execution statistics about the most used QuakeC functions in the selected VM (server, client, menu), sorted by time taken in function with child calls");
2292         Cmd_AddCommand ("prvm_callprofile", PRVM_CallProfile_f, "prints execution statistics about the most time consuming QuakeC calls from the engine in the selected VM (server, client, menu)");
2293         Cmd_AddCommand ("prvm_fields", PRVM_Fields_f, "prints usage statistics on properties (how many entities have non-zero values) in the selected VM (server, client, menu)");
2294         Cmd_AddCommand ("prvm_globals", PRVM_Globals_f, "prints all global variables in the selected VM (server, client, menu)");
2295         Cmd_AddCommand ("prvm_global", PRVM_Global_f, "prints value of a specified global variable in the selected VM (server, client, menu)");
2296         Cmd_AddCommand ("prvm_globalset", PRVM_GlobalSet_f, "sets value of a specified global variable in the selected VM (server, client, menu)");
2297         Cmd_AddCommand ("prvm_edictset", PRVM_ED_EdictSet_f, "changes value of a specified property of a specified entity in the selected VM (server, client, menu)");
2298         Cmd_AddCommand ("prvm_edictget", PRVM_ED_EdictGet_f, "retrieves the value of a specified property of a specified entity in the selected VM (server, client menu) into a cvar or to the console");
2299         Cmd_AddCommand ("prvm_globalget", PRVM_ED_GlobalGet_f, "retrieves the value of a specified global variable in the selected VM (server, client menu) into a cvar or to the console");
2300         Cmd_AddCommand ("prvm_printfunction", PRVM_PrintFunction_f, "prints a disassembly (QuakeC instructions) of the specified function in the selected VM (server, client, menu)");
2301         Cmd_AddCommand ("cl_cmd", PRVM_GameCommand_Client_f, "calls the client QC function GameCommand with the supplied string as argument");
2302         Cmd_AddCommand ("menu_cmd", PRVM_GameCommand_Menu_f, "calls the menu QC function GameCommand with the supplied string as argument");
2303         Cmd_AddCommand ("sv_cmd", PRVM_GameCommand_Server_f, "calls the server QC function GameCommand with the supplied string as argument");
2304
2305         // COMMANDLINEOPTION: PRVM: -noboundscheck disables the bounds checks (security hole if CSQC is in use!)
2306         prvm_boundscheck = !COM_CheckParm("-noboundscheck");
2307
2308         Cvar_RegisterVariable (&prvm_traceqc);
2309         Cvar_RegisterVariable (&prvm_statementprofiling);
2310         Cvar_RegisterVariable (&prvm_backtraceforwarnings);
2311         Cvar_RegisterVariable (&prvm_leaktest);
2312         Cvar_RegisterVariable (&prvm_leaktest_ignore_classnames);
2313         Cvar_RegisterVariable (&prvm_errordump);
2314
2315         // COMMANDLINEOPTION: PRVM: -norunaway disables the runaway loop check (it might be impossible to exit DarkPlaces if used!)
2316         prvm_runawaycheck = !COM_CheckParm("-norunaway");
2317
2318         //VM_Cmd_Init();
2319 }
2320
2321 /*
2322 ===============
2323 PRVM_InitProg
2324 ===============
2325 */
2326 void PRVM_InitProg(int prognr)
2327 {
2328         if(prognr < 0 || prognr >= PRVM_MAXPROGS)
2329                 Sys_Error("PRVM_InitProg: Invalid program number %i",prognr);
2330
2331         prog = &prog_list[prognr];
2332
2333         if(prog->loaded)
2334                 PRVM_ResetProg();
2335
2336         memset(prog, 0, sizeof(prvm_prog_t));
2337         prog->starttime = Sys_DoubleTime();
2338
2339         prog->error_cmd = Host_Error;
2340         prog->leaktest_active = prvm_leaktest.integer != 0;
2341 }
2342
2343 int PRVM_GetProgNr(void)
2344 {
2345         return prog - prog_list;
2346 }
2347
2348 void *_PRVM_Alloc(size_t buffersize, const char *filename, int fileline)
2349 {
2350         return _Mem_Alloc(prog->progs_mempool, buffersize, filename, fileline);
2351 }
2352
2353 void _PRVM_Free(void *buffer, const char *filename, int fileline)
2354 {
2355         _Mem_Free(buffer, filename, fileline);
2356 }
2357
2358 void _PRVM_FreeAll(const char *filename, int fileline)
2359 {
2360         prog->progs = NULL;
2361         prog->fielddefs = NULL;
2362         prog->functions = NULL;
2363         _Mem_EmptyPool(prog->progs_mempool, filename, fileline);
2364 }
2365
2366 // LordHavoc: turned PRVM_EDICT_NUM into a #define for speed reasons
2367 unsigned int PRVM_EDICT_NUM_ERROR(unsigned int n, char *filename, int fileline)
2368 {
2369         PRVM_ERROR ("PRVM_EDICT_NUM: %s: bad number %i (called at %s:%i)", PRVM_NAME, n, filename, fileline);
2370         return 0;
2371 }
2372
2373 /*
2374 int NUM_FOR_EDICT_ERROR(prvm_edict_t *e)
2375 {
2376         PRVM_ERROR ("PRVM_NUM_FOR_EDICT: bad pointer %p (world is %p, entity number would be %i)", e, prog->edicts, e - prog->edicts);
2377         return 0;
2378 }
2379
2380 int PRVM_NUM_FOR_EDICT(prvm_edict_t *e)
2381 {
2382         int n;
2383         n = e - prog->edicts;
2384         if ((unsigned int)n >= prog->limit_edicts)
2385                 Host_Error ("PRVM_NUM_FOR_EDICT: bad pointer");
2386         return n;
2387 }
2388
2389 //int NoCrash_NUM_FOR_EDICT(prvm_edict_t *e)
2390 //{
2391 //      return e - prog->edicts;
2392 //}
2393
2394 //#define       PRVM_EDICT_TO_PROG(e) ((unsigned char *)(((prvm_edict_t *)e)->v) - (unsigned char *)(prog->edictsfields))
2395 //#define PRVM_PROG_TO_EDICT(e) (prog->edicts + ((e) / (progs->entityfields * 4)))
2396 int PRVM_EDICT_TO_PROG(prvm_edict_t *e)
2397 {
2398         int n;
2399         n = e - prog->edicts;
2400         if ((unsigned int)n >= (unsigned int)prog->max_edicts)
2401                 Host_Error("PRVM_EDICT_TO_PROG: invalid edict %8p (number %i compared to world at %8p)", e, n, prog->edicts);
2402         return n;// EXPERIMENTAL
2403         //return (unsigned char *)e->v - (unsigned char *)prog->edictsfields;
2404 }
2405 prvm_edict_t *PRVM_PROG_TO_EDICT(int n)
2406 {
2407         if ((unsigned int)n >= (unsigned int)prog->max_edicts)
2408                 Host_Error("PRVM_PROG_TO_EDICT: invalid edict number %i", n);
2409         return prog->edicts + n; // EXPERIMENTAL
2410         //return prog->edicts + ((n) / (progs->entityfields * 4));
2411 }
2412 */
2413
2414
2415 sizebuf_t vm_tempstringsbuf;
2416
2417 const char *PRVM_GetString(int num)
2418 {
2419         if (num >= 0)
2420         {
2421                 if (num < prog->stringssize)
2422                         return prog->strings + num;
2423                 else
2424 #if 1
2425                 if (num <= prog->stringssize + vm_tempstringsbuf.maxsize)
2426                 {
2427                         num -= prog->stringssize;
2428                         if (num < vm_tempstringsbuf.cursize)
2429                                 return (char *)vm_tempstringsbuf.data + num;
2430                         else
2431                         {
2432                                 VM_Warning("PRVM_GetString: Invalid temp-string offset (%i >= %i vm_tempstringsbuf.cursize)\n", num, vm_tempstringsbuf.cursize);
2433                                 return "";
2434                         }
2435                 }
2436                 else
2437 #endif
2438                 {
2439                         VM_Warning("PRVM_GetString: Invalid constant-string offset (%i >= %i prog->stringssize)\n", num, prog->stringssize);
2440                         return "";
2441                 }
2442         }
2443         else
2444         {
2445                 num = -1 - num;
2446 #if 0
2447                 if (num >= (1<<30))
2448                 {
2449                         // special range reserved for tempstrings
2450                         num -= (1<<30);
2451                         if (num < vm_tempstringsbuf.cursize)
2452                                 return (char *)vm_tempstringsbuf.data + num;
2453                         else
2454                         {
2455                                 VM_Warning("PRVM_GetString: Invalid temp-string offset (%i >= %i vm_tempstringsbuf.cursize)\n", num, vm_tempstringsbuf.cursize);
2456                                 return "";
2457                         }
2458                 }
2459                 else
2460 #endif
2461                 if (num < prog->numknownstrings)
2462                 {
2463                         if (!prog->knownstrings[num])
2464                         {
2465                                 VM_Warning("PRVM_GetString: Invalid zone-string offset (%i has been freed)\n", num);
2466                                 return "";
2467                         }
2468                         return prog->knownstrings[num];
2469                 }
2470                 else
2471                 {
2472                         VM_Warning("PRVM_GetString: Invalid zone-string offset (%i >= %i)\n", num, prog->numknownstrings);
2473                         return "";
2474                 }
2475         }
2476 }
2477
2478 int PRVM_SetEngineString(const char *s)
2479 {
2480         int i;
2481         if (!s)
2482                 return 0;
2483         if (s >= prog->strings && s <= prog->strings + prog->stringssize)
2484                 PRVM_ERROR("PRVM_SetEngineString: s in prog->strings area");
2485         // if it's in the tempstrings area, use a reserved range
2486         // (otherwise we'd get millions of useless string offsets cluttering the database)
2487         if (s >= (char *)vm_tempstringsbuf.data && s < (char *)vm_tempstringsbuf.data + vm_tempstringsbuf.maxsize)
2488 #if 1
2489                 return prog->stringssize + (s - (char *)vm_tempstringsbuf.data);
2490 #else
2491                 return -1 - ((1<<30) + (s - (char *)vm_tempstringsbuf.data));
2492 #endif
2493         // see if it's a known string address
2494         for (i = 0;i < prog->numknownstrings;i++)
2495                 if (prog->knownstrings[i] == s)
2496                         return -1 - i;
2497         // new unknown engine string
2498         if (developer.integer >= 200)
2499                 Con_Printf("new engine string %p = \"%s\"\n", s, s);
2500         for (i = prog->firstfreeknownstring;i < prog->numknownstrings;i++)
2501                 if (!prog->knownstrings[i])
2502                         break;
2503         if (i >= prog->numknownstrings)
2504         {
2505                 if (i >= prog->maxknownstrings)
2506                 {
2507                         const char **oldstrings = prog->knownstrings;
2508                         const unsigned char *oldstrings_freeable = prog->knownstrings_freeable;
2509                         const char **oldstrings_origin = prog->knownstrings_origin;
2510                         prog->maxknownstrings += 128;
2511                         prog->knownstrings = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2512                         prog->knownstrings_freeable = (unsigned char *)PRVM_Alloc(prog->maxknownstrings * sizeof(unsigned char));
2513                         if(prog->leaktest_active)
2514                                 prog->knownstrings_origin = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2515                         if (prog->numknownstrings)
2516                         {
2517                                 memcpy((char **)prog->knownstrings, oldstrings, prog->numknownstrings * sizeof(char *));
2518                                 memcpy((char **)prog->knownstrings_freeable, oldstrings_freeable, prog->numknownstrings * sizeof(unsigned char));
2519                                 if(prog->leaktest_active)
2520                                         memcpy((char **)prog->knownstrings_origin, oldstrings_origin, prog->numknownstrings * sizeof(char *));
2521                         }
2522                 }
2523                 prog->numknownstrings++;
2524         }
2525         prog->firstfreeknownstring = i + 1;
2526         prog->knownstrings[i] = s;
2527         prog->knownstrings_freeable[i] = false;
2528         if(prog->leaktest_active)
2529                 prog->knownstrings_origin[i] = NULL;
2530         return -1 - i;
2531 }
2532
2533 // temp string handling
2534
2535 // all tempstrings go into this buffer consecutively, and it is reset
2536 // whenever PRVM_ExecuteProgram returns to the engine
2537 // (technically each PRVM_ExecuteProgram call saves the cursize value and
2538 //  restores it on return, so multiple recursive calls can share the same
2539 //  buffer)
2540 // the buffer size is automatically grown as needed
2541
2542 int PRVM_SetTempString(const char *s)
2543 {
2544         int size;
2545         char *t;
2546         if (!s)
2547                 return 0;
2548         size = (int)strlen(s) + 1;
2549         if (developer.integer >= 300)
2550                 Con_Printf("PRVM_SetTempString: cursize %i, size %i\n", vm_tempstringsbuf.cursize, size);
2551         if (vm_tempstringsbuf.maxsize < vm_tempstringsbuf.cursize + size)
2552         {
2553                 sizebuf_t old = vm_tempstringsbuf;
2554                 if (vm_tempstringsbuf.cursize + size >= 1<<28)
2555                         PRVM_ERROR("PRVM_SetTempString: ran out of tempstring memory!  (refusing to grow tempstring buffer over 256MB, cursize %i, size %i)\n", vm_tempstringsbuf.cursize, size);
2556                 vm_tempstringsbuf.maxsize = max(vm_tempstringsbuf.maxsize, 65536);
2557                 while (vm_tempstringsbuf.maxsize < vm_tempstringsbuf.cursize + size)
2558                         vm_tempstringsbuf.maxsize *= 2;
2559                 if (vm_tempstringsbuf.maxsize != old.maxsize || vm_tempstringsbuf.data == NULL)
2560                 {
2561                         if (developer.integer >= 100)
2562                                 Con_Printf("PRVM_SetTempString: enlarging tempstrings buffer (%iKB -> %iKB)\n", old.maxsize/1024, vm_tempstringsbuf.maxsize/1024);
2563                         vm_tempstringsbuf.data = (unsigned char *) Mem_Alloc(sv_mempool, vm_tempstringsbuf.maxsize);
2564                         if (old.cursize)
2565                                 memcpy(vm_tempstringsbuf.data, old.data, old.cursize);
2566                         if (old.data)
2567                                 Mem_Free(old.data);
2568                 }
2569         }
2570         t = (char *)vm_tempstringsbuf.data + vm_tempstringsbuf.cursize;
2571         memcpy(t, s, size);
2572         vm_tempstringsbuf.cursize += size;
2573         return PRVM_SetEngineString(t);
2574 }
2575
2576 int PRVM_AllocString(size_t bufferlength, char **pointer)
2577 {
2578         int i;
2579         if (!bufferlength)
2580                 return 0;
2581         for (i = prog->firstfreeknownstring;i < prog->numknownstrings;i++)
2582                 if (!prog->knownstrings[i])
2583                         break;
2584         if (i >= prog->numknownstrings)
2585         {
2586                 if (i >= prog->maxknownstrings)
2587                 {
2588                         const char **oldstrings = prog->knownstrings;
2589                         const unsigned char *oldstrings_freeable = prog->knownstrings_freeable;
2590                         const char **oldstrings_origin = prog->knownstrings_origin;
2591                         prog->maxknownstrings += 128;
2592                         prog->knownstrings = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2593                         prog->knownstrings_freeable = (unsigned char *)PRVM_Alloc(prog->maxknownstrings * sizeof(unsigned char));
2594                         if(prog->leaktest_active)
2595                                 prog->knownstrings_origin = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2596                         if (prog->numknownstrings)
2597                         {
2598                                 memcpy((char **)prog->knownstrings, oldstrings, prog->numknownstrings * sizeof(char *));
2599                                 memcpy((char **)prog->knownstrings_freeable, oldstrings_freeable, prog->numknownstrings * sizeof(unsigned char));
2600                                 if(prog->leaktest_active)
2601                                         memcpy((char **)prog->knownstrings_origin, oldstrings_origin, prog->numknownstrings * sizeof(char *));
2602                         }
2603                         // TODO why not Mem_Free the old ones?
2604                 }
2605                 prog->numknownstrings++;
2606         }
2607         prog->firstfreeknownstring = i + 1;
2608         prog->knownstrings[i] = (char *)PRVM_Alloc(bufferlength);
2609         prog->knownstrings_freeable[i] = true;
2610         if(prog->leaktest_active)
2611                 prog->knownstrings_origin[i] = PRVM_AllocationOrigin();
2612         if (pointer)
2613                 *pointer = (char *)(prog->knownstrings[i]);
2614         return -1 - i;
2615 }
2616
2617 void PRVM_FreeString(int num)
2618 {
2619         if (num == 0)
2620                 PRVM_ERROR("PRVM_FreeString: attempt to free a NULL string");
2621         else if (num >= 0 && num < prog->stringssize)
2622                 PRVM_ERROR("PRVM_FreeString: attempt to free a constant string");
2623         else if (num < 0 && num >= -prog->numknownstrings)
2624         {
2625                 num = -1 - num;
2626                 if (!prog->knownstrings[num])
2627                         PRVM_ERROR("PRVM_FreeString: attempt to free a non-existent or already freed string");
2628                 if (!prog->knownstrings_freeable[num])
2629                         PRVM_ERROR("PRVM_FreeString: attempt to free a string owned by the engine");
2630                 PRVM_Free((char *)prog->knownstrings[num]);
2631                 if(prog->leaktest_active)
2632                         if(prog->knownstrings_origin[num])
2633                                 PRVM_Free((char *)prog->knownstrings_origin[num]);
2634                 prog->knownstrings[num] = NULL;
2635                 prog->knownstrings_freeable[num] = false;
2636                 prog->firstfreeknownstring = min(prog->firstfreeknownstring, num);
2637         }
2638         else
2639                 PRVM_ERROR("PRVM_FreeString: invalid string offset %i", num);
2640 }
2641
2642 static qboolean PRVM_IsStringReferenced(string_t string)
2643 {
2644         int i, j;
2645
2646         for (i = 0;i < prog->progs->numglobaldefs;i++)
2647         {
2648                 ddef_t *d = &prog->globaldefs[i];
2649                 if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_string)
2650                         continue;
2651                 if(string == ((prvm_eval_t *) &prog->globals.generic[d->ofs])->string)
2652                         return true;
2653         }
2654
2655         for(j = 0; j < prog->num_edicts; ++j)
2656         {
2657                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
2658                 if (ed->priv.required->free)
2659                         continue;
2660                 for (i=0; i<prog->progs->numfielddefs; ++i)
2661                 {
2662                         ddef_t *d = &prog->fielddefs[i];
2663                         if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_string)
2664                                 continue;
2665                         if(string == ((prvm_eval_t *) &((float*)ed->fields.vp)[d->ofs])->string)
2666                                 return true;
2667                 }
2668         }
2669
2670         return false;
2671 }
2672
2673 static qboolean PRVM_IsEdictRelevant(prvm_edict_t *edict)
2674 {
2675         if(PRVM_NUM_FOR_EDICT(edict) <= prog->reserved_edicts)
2676                 return true; // world or clients
2677         switch(prog - prog_list)
2678         {
2679                 case PRVM_SERVERPROG:
2680                         {
2681                                 entvars_t *ev = edict->fields.server;
2682                                 if(ev->solid) // can block other stuff, or is a trigger?
2683                                         return true;
2684                                 if(ev->modelindex) // visible ent?
2685                                         return true;
2686                                 if(ev->effects) // particle effect?
2687                                         return true;
2688                                 if(ev->think) // has a think function?
2689                                         if(ev->nextthink > 0) // that actually will eventually run?
2690                                                 return true;
2691                                 if(ev->takedamage)
2692                                         return true;
2693                                 if(*prvm_leaktest_ignore_classnames.string)
2694                                 {
2695                                         if(strstr(va(" %s ", prvm_leaktest_ignore_classnames.string), va(" %s ", PRVM_GetString(ev->classname))))
2696                                                 return true;
2697                                 }
2698                         }
2699                         break;
2700                 case PRVM_CLIENTPROG:
2701                         {
2702                                 // TODO someone add more stuff here
2703                                 cl_entvars_t *ev = edict->fields.client;
2704                                 if(ev->entnum) // csqc networked
2705                                         return true;
2706                                 if(ev->modelindex) // visible ent?
2707                                         return true;
2708                                 if(ev->effects) // particle effect?
2709                                         return true;
2710                                 if(ev->think) // has a think function?
2711                                         if(ev->nextthink > 0) // that actually will eventually run?
2712                                                 return true;
2713                                 if(*prvm_leaktest_ignore_classnames.string)
2714                                 {
2715                                         if(strstr(va(" %s ", prvm_leaktest_ignore_classnames.string), va(" %s ", PRVM_GetString(ev->classname))))
2716                                                 return true;
2717                                 }
2718                         }
2719                         break;
2720                 case PRVM_MENUPROG:
2721                         // menu prog does not have classnames
2722                         break;
2723         }
2724         return false;
2725 }
2726
2727 static qboolean PRVM_IsEdictReferenced(prvm_edict_t *edict, int mark)
2728 {
2729         int i, j;
2730         int edictnum = PRVM_NUM_FOR_EDICT(edict);
2731         const char *targetname = NULL;
2732
2733         switch(prog - prog_list)
2734         {
2735                 case PRVM_SERVERPROG:
2736                         targetname = PRVM_GetString(edict->fields.server->targetname);
2737                         break;
2738         }
2739
2740         if(targetname)
2741                 if(!*targetname) // ""
2742                         targetname = NULL;
2743
2744         for (i = 0;i < prog->progs->numglobaldefs;i++)
2745         {
2746                 ddef_t *d = &prog->globaldefs[i];
2747                 if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_entity)
2748                         continue;
2749                 if(edictnum == ((prvm_eval_t *) &prog->globals.generic[d->ofs])->edict)
2750                         return true;
2751         }
2752
2753         for(j = 0; j < prog->num_edicts; ++j)
2754         {
2755                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
2756                 if (ed->priv.required->mark < mark)
2757                         continue;
2758                 if(ed == edict)
2759                         continue;
2760                 if(targetname)
2761                 {
2762                         const char *target = PRVM_GetString(ed->fields.server->target);
2763                         if(target)
2764                                 if(!strcmp(target, targetname))
2765                                         return true;
2766                 }
2767                 for (i=0; i<prog->progs->numfielddefs; ++i)
2768                 {
2769                         ddef_t *d = &prog->fielddefs[i];
2770                         if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_entity)
2771                                 continue;
2772                         if(edictnum == ((prvm_eval_t *) &((float*)ed->fields.vp)[d->ofs])->edict)
2773                                 return true;
2774                 }
2775         }
2776
2777         return false;
2778 }
2779
2780 static void PRVM_MarkReferencedEdicts(void)
2781 {
2782         int j;
2783         qboolean found_new;
2784         int stage;
2785
2786         for(j = 0; j < prog->num_edicts; ++j)
2787         {
2788                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
2789                 if(ed->priv.required->free)
2790                         continue;
2791                 ed->priv.required->mark = PRVM_IsEdictRelevant(ed) ? 1 : 0;
2792         }
2793
2794         stage = 1;
2795         do
2796         {
2797                 found_new = false;
2798                 for(j = 0; j < prog->num_edicts; ++j)
2799                 {
2800                         prvm_edict_t *ed = PRVM_EDICT_NUM(j);
2801                         if(ed->priv.required->free)
2802                                 continue;
2803                         if(ed->priv.required->mark)
2804                                 continue;
2805                         if(PRVM_IsEdictReferenced(ed, stage))
2806                         {
2807                                 ed->priv.required->mark = stage + 1;
2808                                 found_new = true;
2809                         }
2810                 }
2811                 ++stage;
2812         }
2813         while(found_new);
2814         Con_DPrintf("leak check used %d stages to find all references\n", stage);
2815 }
2816
2817 void PRVM_LeakTest(void)
2818 {
2819         int i, j;
2820         qboolean leaked = false;
2821
2822         if(!prog->leaktest_active)
2823                 return;
2824
2825         // 1. Strings
2826         for (i = 0; i < prog->numknownstrings; ++i)
2827         {
2828                 if(prog->knownstrings[i])
2829                 if(prog->knownstrings_freeable[i])
2830                 if(prog->knownstrings_origin[i])
2831                 if(!PRVM_IsStringReferenced(-1 - i))
2832                 {
2833                         Con_Printf("Unreferenced string found!\n  Value: %s\n  Origin: %s\n", prog->knownstrings[i], prog->knownstrings_origin[i]);
2834                         leaked = true;
2835                 }
2836         }
2837
2838         // 2. Edicts
2839         PRVM_MarkReferencedEdicts();
2840         for(j = 0; j < prog->num_edicts; ++j)
2841         {
2842                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
2843                 if(ed->priv.required->free)
2844                         continue;
2845                 if(!ed->priv.required->mark)
2846                 if(ed->priv.required->allocation_origin)
2847                 {
2848                         Con_Printf("Unreferenced edict found!\n  Allocated at: %s\n", ed->priv.required->allocation_origin);
2849                         PRVM_ED_Print(ed, NULL);
2850                         Con_Print("\n");
2851                         leaked = true;
2852                 }
2853         }
2854
2855         for (i = 0; i < (int)Mem_ExpandableArray_IndexRange(&prog->stringbuffersarray); ++i)
2856         {
2857                 prvm_stringbuffer_t *stringbuffer = (prvm_stringbuffer_t*) Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, i);
2858                 if(stringbuffer)
2859                 if(stringbuffer->origin)
2860                 {
2861                         Con_Printf("Open string buffer handle found!\n  Allocated at: %s\n", stringbuffer->origin);
2862                         leaked = true;
2863                 }
2864         }
2865
2866         for(i = 0; i < PRVM_MAX_OPENFILES; ++i)
2867         {
2868                 if(prog->openfiles[i])
2869                 if(prog->openfiles_origin[i])
2870                 {
2871                         Con_Printf("Open file handle found!\n  Allocated at: %s\n", prog->openfiles_origin[i]);
2872                         leaked = true;
2873                 }
2874         }
2875
2876         for(i = 0; i < PRVM_MAX_OPENSEARCHES; ++i)
2877         {
2878                 if(prog->opensearches[i])
2879                 if(prog->opensearches_origin[i])
2880                 {
2881                         Con_Printf("Open search handle found!\n  Allocated at: %s\n", prog->opensearches_origin[i]);
2882                         leaked = true;
2883                 }
2884         }
2885
2886         if(!leaked)
2887                 Con_Printf("Congratulations. No leaks found.\n");
2888 }